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Comment on the letter of the Society of Vertebrate Paleontology (SVP) dated April 21, 2020 regarding "Fossils from conflict zones and reproducibility of fossil-based scientific data" Haug, Carolin; Reumer, Jelle W. F.; Haug, Joachim T.; Arillo, Antonio; Audo, Denis; Azar, Dany; Baranov, Viktor; Beutel, Rolf; Charbonnier, Sylvain; Feldmann, Rodney Published in: Palz

DOI: 10.1007/s12542-020-00522-x

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Citation for published version (APA): Haug, C., Reumer, J. W. F., Haug, J. T., Arillo, A., Audo, D., Azar, D., Baranov, V., Beutel, R., Charbonnier, S., Feldmann, R., Foth, C., Fraaije, R. H. B., Frenzel, P., Gasparic, R., Greenwalt, D. E., Harms, D., Hyzny, M., Jagt, J. W. M., Jagt-Yazykova, E. A., ... Reich, M. (2020). Comment on the letter of the Society of Vertebrate Paleontology (SVP) dated April 21, 2020 regarding "Fossils from conflict zones and reproducibility of fossil-based scientific data": The importance of private collections. Palz, 94(3), 413-429. https://doi.org/10.1007/s12542-020-00522-x

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COMMENT

Comment on the letter of the Society of Vertebrate Paleontology (SVP) dated April 21, 2020 regarding “Fossils from confict zones and reproducibility of fossil‑based scientifc data”: the importance of private collections

Carolin Haug1,2 · Jelle W. F. Reumer3,4,5 · Joachim T. Haug1,2 · Antonio Arillo6 · Denis Audo7,8 · Dany Azar9 · Viktor Baranov1 · Rolf Beutel10 · Sylvain Charbonnier11 · Rodney Feldmann12 · Christian Foth13 · René H. B. Fraaije14 · Peter Frenzel15 · Rok Gašparič14,16 · Dale E. Greenwalt17 · Danilo Harms45 · Matúš Hyžný18 · John W. M. Jagt19 · Elena A. Jagt‑Yazykova20 · Ed Jarzembowski21 · Hans Kerp22 · Alexander G. Kirejtshuk23 · Christian Klug24 · Dmitry S. Kopylov25,26 · Ulrich Kotthof27 · Jürgen Kriwet28 · Lutz Kunzmann29 · Ryan C. McKellar30 · André Nel31 · Christian Neumann32 · Alexander Nützel2,33,34 · Vincent Perrichot35 · Anna Pint36 · Oliver Rauhut2,33,34 · Jörg W. Schneider37,38 · Frederick R. Schram39 · Günter Schweigert40 · Paul Selden41 · Jacek Szwedo42 · Barry W. M. van Bakel14 · Timo van Eldijk43 · Francisco J. Vega44 · Bo Wang21 · Yongdong Wang21 · Lida Xing46 · Mike Reich2,33,34

Received: 19 June 2020 / Accepted: 20 June 2020 / Published online: 8 August 2020 © The Author(s) 2020

Motivation for this comment concerning amateur palaeontologists/citizen scientists/pri‑ vate collectors. Reference is made to Haug et al. (2020a) for The Society of Vertebrate Paleontology (SVP) has recently another comment on aspects concerning Myanmar amber. circulated a letter, dated 21st April, 2020, to more than 300 First of all, we reject the notion implied by the SVP letter palaeontological journals, signed by the President, Vice that studying and describing specimens from private collec‑ President and a former President of the society (Rayfeld tions represent an unethical behaviour. The question whether et al. 2020). In this letter, signifcant changes to the com‑ privately owned specimens should be considered in scien‑ mon practices in palaeontology are requested. In our present, tifc studies is a purely scientifc question (as long as the multi-authored comment, we aim to demonstrate why these specimens were legally obtained by their owner), and thus suggestions will not lead to improvement of both practice should be answered on the basis of the scientifc problems and ethics of palaeontological research, but conversely, will and merits of such actions. hamper its development. Despite our disagreement with the contents of the SVP letter, we appreciate the initiative and the opportunity to discuss scientifc practices and the Amateur palaeontologists/citizen scientists/ underlying ethics. Here, we consider diferent aspects of the private collectors suggestions of the SVP in which we see weaknesses and dangers. Our aim was to collect views from many difer‑ The statements in the letter of the Society of Vertebrate ent felds. The scientifc world is, and should be, a plural‑ Paleontology (SVP) in our view shed a rather negative istic endeavour. This contribution deals with the aspects light on amateur palaeontologists/private collectors/citizen scientists, especially by noting that “fossils outside of the public domain, such as those in private collections and pri‑ Handling Editor: Tanja R. Stegemann. vately-operated for-proft museums that are not managed within the public trust as permanent institutions, do not * Carolin Haug meet […] essential standards” (Rayfeld et al. 2020: p. 2). carolin.haug@palaeo‑evo‑devo.info In our opinion, this statement is highly problematic. * Mike Reich Amateur palaeontologists, or more generally, amateur sci‑ [email protected] entists, contribute to science in an essential way augmenting Extended author information available on the last page of the article

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- : Rievers 1961 (see Dehm 1961); Hess 1975; Kutscher 1978; Jagt 1999, 2000a, 2000b, 2000c, 2000d; Kutscher and Villier 2003 (see Reich 2001); Hess and Messing 2011 (see Etter 2018); Thuy et al. 2012, 2018; Jagt et al. 2014, 2018; Gale et al. 2018; - Cephalopods: Mundlos 1973 (see Hagdorn 1988); Kaplan et al. 1987; Hewitt and Jagt 1999; Dietze and Hostet‑ tler 2016; Jagt and Jagt-Yazykova 2019; Jenny et al. 2019; Košťák et al. 2019; - Molluscs in general: Van Eldijk et al. 2019; - Arachnids and myriapods: Bachofen-Echt 1934, 1942 (see Reich et al. 2019); Selden and Shear 1996; Bartel et al. 2015; - Trilobites: Krueger 1972, 2004; - Crustaceans: Bachmayer and Mundlos 1968; Hyžný and Hudáčková 2012; Van Bakel et al. 2012; Hyžný et al. 2014a, b; Audo et al. 2014, 2017; Haug et al. 2015; Fraaije Fig. 1 Numerous unique fossil specimens and type material were at et al. 2015, 2019; Nagler et al. 2016; Haug and Haug 2016a, the time of the frst scientifc description in private ownership and 2017; Charbonnier et al. 2017; Keupp and Mahlow 2017; came only into public collections after the death of the private col‑ Charbonnier and Audo 2020; Joe Collins, in Donovan and lectors. a The iconic ‘Königsberg amber lizard’ Succinilacerta suc- cinea (Boulenger, 1917) [specimen length ~ 4.2 cm] from the private Mellish 2020; Jakobsen et al. 2020; Pazinato et al. 2020; amber collection of Richard Klebs (1850–1911). First described by - Insects: Kutscher 1999; Kutscher and Koteja 2000 (see George Albert Boulenger in 1917 and purchased by the Prussian Bechly and Wichard 2008; Reich 2008a; Dlussky and Ras‑ State and the former Königsberg Albertus University in Königsberg in 1926; today, the holotype is deposited in the Göttingen Geosci‑ nitsyn 2010); Hofeins 2001; Hofeins and Hofeins 2003; ence collections (GZG.BST.15000; see Reich 2008b). b This intrigu‑ Hörnig et al. 2014; Gröhn 2015; Van Eldijk et al. 2017; ing piece of Baltic amber with a male pseudoscorpion (Oligochernes Haug et al. 2018, 2020b; Fowler 2019; Kirejtshuk 2020; bachofeni Beier, 1937) latched onto an ichneumonid wasp [specimens Makarkin and Gröhn 2020; length ~ 9.3 mm] comes from the private collection of Adolf Freiherr - Sponges: Bachofen von Echt (1864–1946). It shows one of the frst fossil exam‑ Rhebergen and von Hacht 2000; Rhebergen ples of a phoretic relationship between pseudoscorpions and insects and Botting 2014; and was fgured in numerous textbooks and other works. A large part - General faunal assemblages: Ade 1989; Shabica and of the Bachofen-Echt amber collection was purchased by the State of Hay 1997; Bavaria in 1958, and the specimen is today part of the Munich Pal‑ - Ferns: aeontology collections (SNSB-BSPG 1958 VIII 195; see Reich and Reumer et al. 2020; Wörheide 2018) - Plants in general: Robert Noll, in Lausberg et al. 2003; Uhl et al. 2004; Rößler and Noll 2006, 2010; Kerp et al. 2007a, b; Knoll 2010; Rößler et al. 2012, 2014; Tavares et al. professionals. In palaeontology, they provide material 2014; Neregato et al. 2015; Gröhn and Kobbert 2017; Van (Fig. 1) and crucial information on many diferent groups, der Ham et al. 2017; Feng et al. 2019; Kelber 2019; for example: - Foraminiferans: Franke 1912, 1925, 1928 (see - Sharks: René Kindlimann, in Klug and Bolliger 2012; Schroeder 1991); Mollen et al. 2012; Kriwet et al. 2015; Pollerspöck et al. - Ichnofossils: Donovan et al. 2019. 2018; Jambura et al. 2018, 2019; Bracher et al. 2019; Stumpf et al. 2019; Slater et al. 2020; The support of amateur or citizen scientists is particularly - Ray-fnned fshes: Menzel et al. 1982 (see Lehmann relevant in research felds in which there are either not suf‑ 2003); Tischlinger and Arratia 2013; Ebert 2019; fcient numbers of professional scientists due to the decreas‑ - Plesiosaurs: Sachs et al. 2013; ing number of palaeontologists in ofcial institutions (muse‑ - Mosasaurs: Mulder et al. 2013; ums, universities, geological surveys, etc.) in many countries - Turtles, dinosaurs and dinosaur tracks: Ballerstedt or insufcient resources for conducting feldwork or for 1921, 1922; Wifen 1991; Lindgren et al. 2008 (see Hor‑ obtaining scientifcally important specimens. Diferent pal‑ nung and Reich 2007); Rauhut et al. 2012; Field et al. 2020; aeontological societies even recognise outstanding achieve‑ - Mammals: Micklich 2001; Martin et al. 2005; Mol et al. ments in palaeontology by amateurs with awards, e.g. the 2006; Reumer et al. 2018; ‘Harrell L. Strimple Award’ of the Paleontological Society, - vertebrates: Stan Wood, in Fraser et al. the ‘Mary Anning Award’ of The Palaeontological Associa- 2018; Smithson and Rolfe 2018; tion, the ‘Prix Saporta’ of the Association Paléontologique

1 3 Comment on the letter of the SVP: the importance of private collections 415

Française, the ‘Karl-Alfred-von-Zittel-Medaille’ of the Project”; Fossilfnder 2020, myFossil 2020; FAP 2020). Paläontologische Gesellschaft, or the ‘Amanz Gressly-Preis’ Joint knowledge, specimens and collections, eforts and of the Schweizerische Paläontologische Gesellschaft, just to activities of amateurs and institution-based professionals name a few. An example from a feld with important impact are more than the sum of their parts. Answers to diverse of amateur palaeontologists is palaeoentomology. Ama‑ biological, environmental, and societal questions at the teur palaeontologists and palaeoentomologists have always global scale, across eons of time, and spanning vast diver‑ played an important role in the feld of palaeoentomology; sity across the Tree of Life is the main goal of the global the discipline was largely founded by enthusiasts and col‑ community of museums (the ‘Global Museum’) joined lectors (Zherikhin et al. 2008; Szwedo and Sontag 2015; together through emerging digital resources (Bakker et al. Beck and Joger 2018). The same is true for the study of 2020). In many countries (e.g. Austria, Belgium, Czech fossil decapod crustaceans or fshes, which very often relies Republic, Denmark, France, Germany, Italy, Lebanon, The on the material collected by amateurs or are even described Netherlands, Poland, Russia, Slovenia, Spain, Switzerland, by them. UK; see Haug and Haug 2016b; Ouden and Pouwer 2018; Citizen science programmes engaging the public in Rauhut 2018; Furrer 2019; Fossiel.net Team 2020; ÖPG authentic research is widely championed for its potential to 2020; PalGes 2020), including the USA (MacFadden et al. strengthen the understanding of the participants of science, 2016), the role of amateur palaeontologists in science has environmental learning and critical thinking skills (Carlson historically grown over many decades, to the point that it and Fox 2012; Lynch et al. 2018). Amateur and citizen sci‑ has proven crucial for advancing scientifc knowledge, not entists are able to perform both long-term studies (at the least due to the declining number of professional palae‑ same site, or a number of localities) and fossil rescue excava‑ ontologists employed by universities or public museums. tions (e.g. at construction sites or road works or when col‑ In addition, it should not be forgotten that numerous for‑ liery tips are removed, e.g. see Austen 2001) as well as time- mer private collections form the basis of important pal‑ consuming fossil-picking or fossil concentrations for which aeontological museums in Germany (Fig. 2), such as in ofcial institutions are often not able to provide time or Berlin (collection of Ernst Friedrich von Schlotheim; see fnancial resources. Thanks to amateur work under rules of Dietrich 1960, Hoppe 2001), Frankfurt/M. (collections of the Portable Antiquities Scheme, nearly 1.5 million archaeo‑ Johann Christian Senckenberg and Eduard Rüppell; see logical objects from UK were found, identifed and data‑ Struve 1967), and Munich (collection of Count Georg zu based (House of Lords 2006, https://fnds​ .org.uk/​ ). A recent, Münster; see Reich and Wörheide 2018). widely recognised example (e.g. by the BBC, Science, The We have to acknowledge the following realities: Washington Post) comes from the feld of insect ecology in which a massive decline of fying insect biomass over the 1. It will always be impossible for professional palaeon‑ last 27 years was documented with the aid of a team of ama‑ tologists to regularly survey all outcrops to secure all teur scientists (Hallmann et al. 2017, 2020). Another impor‑ potentially important specimens. tant example is the international “MECO Project” (Medi‑ 2. It will never be possible to save all fossils and store them terranean Elasmobranch Citizen Observations), for which securely. This applies to plants, vertebrates, non-verte‑ variable numbers of citizen scientists provide information brates and other organismic remains. for scientifc studies (e.g. Jambura et al. in review). Since 3. Potentially scientifcally important specimens are lost many years, a team of enthusiastic citizen scientists, guided every day, be it by erosion, by construction or quarry by Angelika Leipner from the natural history department works. of the Museum am Schölerberg in Osnabrück (Germany), 4. The number of employed palaeontologists will never collects material in the well-known Piesberg quarry. A few reach a level where all fossil groups can be described years ago, they found a new lake deposit that has yielded appropriately. several meso- and xerophyllous plants and an accompany‑ ing fauna that are normally not preserved in Pennsylvanian This being said, amateur or citizen palaeontologists do basinal coal-bearing strata. Important specimens have been fll some of these gaps and it is benefcial for palaeontol‑ deposited in the museum collection in Osnabrück, where ogy to let them continue doing so: palaeontologists have full access to the material. There is a steady exchange between collectors, museum curators and 1. They regularly survey fossiliferous outcrops. palaeontologists. 2. They provide storage space for fossils (temporary or per‑ These are just a few of many examples in which ama‑ manent). teur and citizen scientists contribute important work to sci‑ 3. They rescue many fossils from erosion or other destruc‑ entifc studies (see i.a. “Fossilfnder—Österreich forscht”, tion. “Citizen Science—myFossil”, “Fossil Atmospheres

1 3 416 C. Haug et al.

4. Upon tolerant and open-minded behaviour of profes‑ of the European Association of Vertebrate Palaeontologists sional palaeontologists, they often happily inform about (EAVP) in 2016). We also would like to note that many (or their discoveries and in many cases make them available most) professional palaeontologists have started as amateur to science. palaeontologists, usually during their childhood; hence, the SVP letter potentially reduces the number of future profes‑ The cases where the material gets destroyed, is stored sional palaeontologists. It actually unintentionally patronises without important information, or where the citizen palae‑ this peer group, which is important for our feld. ontologists keep their discoveries secret are likely almost negligible compared to those where our science actually profts from their activities. Mary Anning is possibly one Availability of specimens of the most shining examples supporting this point. By con‑ trast, the SVP letter will most likely have a negative impact The SVP letter recommends that editors should add the on collaborations with amateur or citizen palaeontologists, following to their policies: “Any fossil specimen that is as they might feel ofended by its statements and be disin‑ described or illustrated in a manuscript intended for pub‑ clined to cooperate in the future; additionally, it might put lication must be formally accessioned into a permanent, of young people just discovering palaeontology via amateur accessible repository, where the specimen will be available collecting (see also Liston 2016 on the symposium “Fos‑ for study by the scientifc community. Long-term loans from sillegal” on ethics in palaeontology at the annual meeting private individuals or private organisations to repositories

Fig. 2 Historically, numerous private collections form the basis Johann Heinrich Grätzel in Göttingen 1691–1770), but is one of of the palaeontology collections of our larger natural history muse‑ the oldest specimens in the Berlin collections. b Echinoid spines ums—for example, in Berlin and Munich: a The holotype (MB.E from the classic Cassian beds of the Dolomites [paperboard 85) of the German ‘Muschelkalk’ Chelocrinus schlotheimi width ~ 12 cm] were part of the former famous private collection of (Quenstedt, 1835) [specimen length ~ 5.5 cm] from the former pri‑ Count Georg zu Münster (1776–1844), which provided the histori‑ vate collection of Ernst Friedrich von Schlotheim (1764–1832) at the cal basis for the foundation of the Munich Palaeontology museum Berlin Naturkundemuseum was frst part of other older private col‑ (SNSB-BSPG AS o. Nr.; see Reich and Wörheide 2018) lections (Michael Reinhold Rosinus in Hann. Münden, 1687–1725;

1 3 Comment on the letter of the SVP: the importance of private collections 417 generally are not sufcient to ensure long-term access to fos‑ Biomonitoring data: organisms captured for biomoni‑ sils or reproducibility of results” (Rayfeld et al. 2020: p. 2). toring studies are in many cases not stored long-term. This shows general concerns over the availability of speci‑ Specimens killed, for example, in traps or by fogging mens held in private collections and is indeed an impor‑ are counted and studied systematically, but afterwards tant issue on which all authors agree. The deposition of a disposed of. Organisms captured and measured alive specimen in a publicly accessible collection is, of course, are released again. It is a moot point whether deadly seen as the ideal scenario, but it should be noted that private viruses should be retained following eradication in the collectors are in most cases willing either to donate their population. specimens to such institutions or sell them to institutions Destructive/invasive methods: for several types of at a price often far below the market level. In Denmark, the analyses, the specimen analysed is destroyed or trans‑ national government has introduced a special scheme, by the formed during the analysis. A prominent example of name of ‘Danekræ’, which urges amateur collectors (even such analyses is the serial sectioning of fossils (e.g. foreigners, see Hald 1993), to submit their palaeontological studies of Erik Jarvik on the sarcopterygian Eusthenop- fnds to a special committee to be evaluated (see Jakobsen teron foordi; e.g. Jarvik 1942, 1954) or serial grinding 1991; Bonde et al. 2008). If deemed important as national to reconstruct their three-dimensional appearance if no heritage, the specimens are then bought from the collectors other imaging methods are possible (e.g. fossils from and placed in a public collection. In the Netherlands, muse‑ the Herefordshire Lagerstätte: Siveter et al. 2020; rud‑ ums that hold the so-called ANBI status, can buy (parts of) ist bivalves or cephalopods to see internal structures: properly registered collections from private collectors, after Pascual-Cebrian et al. 2013; Tajika et al. 2020). Such obtaining assessment reports by external experts, by ofering a destruction or highly invasive treatment of fossils is these collectors tax deductions for a period of 5 or 10 years. widely accepted in the community, the only remaining Other solutions are also possible, for example, ofcial data being images. This leads to the paradoxical situ‑ recognition (via registration) of a scientifcally very impor‑ ation: we accept that, following photography, a fossil tant specimen. The specimen itself can then stay in a private could be systematically destroyed and still be published, collection but still remains available to science. An exam‑ but could not be stored in a private collection according ple of such a registered fnd is the Altmühl (11th) speci‑ to the requirement in the SVP letter. men of the famous fossil bird Archaeopteryx (Foth et al. 2014), which is registered as no. 07901 in the “Datenbank If a specimen cannot be secured for further research, at geschützter Kulturgüter” after § 6 Absatz 1 Nr. 2−4 KGSG least proper documentation through 2D/3D photographs, (Kulturgutschutzgesetz). The same procedure was performed X-ray computed tomography scans or other imaging meth‑ with the Schamhaupten (12th) specimen of Archaeopteryx ods will rescue data that can be used by scientists, regardless (DNWK 02924; Rauhut et al. 2018) and the single speci‑ of the fact that the specimen involved is kept in a private col‑ men of the theropod dinosaur Sciurumimus albersdoerferi lection with limited or no access or is destroyed. This is very (DNWK 02922; Rauhut et al. 2012) (Fig. 3). similar to the increasing attitude of museums not provid‑ Even if none of the above options can be implemented, ing real specimens on loan anymore, but instead providing we consider it to be more problematic for science to ignore virtual specimens for study, which can then be investigated fossils deliberately just because they are not stored in a pub‑ by researchers worldwide without visiting the collections licly accessible collection managed within the public trust physically. As a consequence, the database involves not just than to include them in analyses, despite the fact that their the fossil specimens themselves, but also all images or other fnal repository cannot be secured at that particular moment forms of data recorded from them, in contrast to the state‑ (e.g. Rauhut et al. 2014; Rauhut 2018). Not everything can ment in the SVP letter (Rayfeld et al. 2020: p. 2). be stored in a publicly accessible collection, e.g. many ichn‑ The International Code of Zoological Nomenclature ofossils of larger vertebrates (tracks and trackways) of which (which also applies to fossils) does not require that the type normally casts are made or photogrammetry (structure from specimen is deposited for the formal erection of species motion) is undertaken; the fossils themselves are left to ero‑ (ICZN 1999, Article 72.5.6; 73.1.4). This rule has specif‑ sion or mining (see also recent discussion in Lucas and Har‑ cally been added for not endangering rare extant species, ris 2020). Additionally, there are several types of data in dif‑ but may well be expanded to include also rare fossils. The ferent felds of the natural sciences related to palaeontology International Code of Nomenclature for algae, fungi, and that can generally not be deposited in museum collections: plants strongly recommends that holotypes are deposited in a public collection; however, this is no formal requirement Behavioural data: data acquired in behavioural studies are for a species erection (Turland et al. 2018, Recommendation generally recorded as ethograms. Neither the observed 7A.1). The SVP letter does not cite the ICZN, which states specimens nor parts thereof are usually deposited. that types “are to be held in trust for science by the persons

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Fig. 3 Several unique and scientifcally very important fossils still a, c The 11th (a) and 12th (c) skeletal specimens of the ‘Urvogel’ remain in private collections, but were ofcially registered in the Archaeopteryx (from Eichstätt and Schamhaupten, respectively) ‘Datenbank geschützter Kulturgüter’ (database of protected cul- [slab widths ~ 37 and ~ 40 cm]. b The juvenile specimen of the tural property) in Germany—for example, several iconic vertebrate theropod dinosaur Sciurumimus albersdoerferi from Painten [slab fossils from the Upper Plattenkalk deposits of Bavaria: width ~ 40 cm] responsible for their safe keeping” (ICZN 2000, Article within the public trust”. In Germany, Austria and probably 72.10). The demand of the SVP letter to deposit fossils in in many other countries, university collections, which also a “stable repository within the public trust” begs the ques‑ hold type material, are uncurated, endangered or already tion what requirements such repositories should have. Many lost because resources (curators, space) were reallocated private collections or museums are well curated, well sorted in the course of current abandonment of specimen-based and accessible to researchers (some prominent examples: research in academia. Due to severe shortage of staf (and the collection of Dr. Gordon Hubbell, Florida, one of the sometimes adequate storage facilities), appropriate curation largest collections of fossil sharks and rays in the world, is often not guaranteed. Many specimens are, in fact, lost to see Perez et al. 2020; the enormous collection of Baltic research, either because they cannot be found anymore, are amber inclusions of Christel and Hans-Werner Hofeins, inaccessible in an overcrowded store, were lost/destroyed Hamburg, which has been a major engine for our improved (e.g. in diferent European museums in WWII, or during or understanding of the Eocene fauna and climate, see von in the aftermath of many modern wars such as those in Iraq, Tschirnhaus and Hofeins 2009; the Sauriermuseum Aathal Afghanistan or Syria; in the worst case, almost the entire in Switzerland founded by Hans-Jakob Siber, see Siber and collection is lost as during the fre in the Museu Nacional Möckli 2009; the Oertijdmuseum Boxtel in the Netherlands da Universidade Federal do Rio de Janeiro in 2018), have founded by the Fraaije family; the Urweltmuseum Hauf degraded from neglect, or are contained in displays inacces‑ in Holzmaden, Germany, founded in 1936, see Lindgren sible for scientifc investigation. et al. 2018, Jenny et al. 2019). This is not necessarily true In some cases, the deposition of specimens in public of many public repositories, which are indeed “managed collections was detrimental as the specimens were sold of

1 3 Comment on the letter of the SVP: the importance of private collections 419 subsequently at fossil fairs by the institution concerned. In To provide some numbers: in Bavaria, there are more than the case of the San Diego Natural History Museum, which 1300 museums and ofcially recognised collections (also wanted to sell several historical specimens of the Sternberg including art-historical, ethnological and other collections collection in an auction in 2013, the protests of many col‑ with some palaeontological specimens) in total. More than leagues led the museum to withdraw the specimens from 1200 of these institutions are entirely not or not exclusively the auction (Switek 2013). Another example is the large owned by the state (so-called “nichtstaatliche Museen”; collection of the well-known French palaeobotanist Charles Landesstelle für die nichtstaatlichen Museen in Bayern René Zeiller (1847–1915), former president of the Societé 2020). Hence, the vast majority of the collections are not botanique de France and the Societé géologique de France, (or not exclusively) under the control of the Bavarian state. which was originally kept in the École Nationale Supérieure This also applies to a larger part of all museums and institu‑ des Mines de Paris. This collection contained many type tions with palaeontological collections (> 200) in Germany specimens, but in the 1980s, the host institute was no longer (cf. Jansen and Steininger 2002). Furthermore, several large interested and it was moved to the University of Lyon-Vil‑ museums like the American Museum of Natural History in leurbanne. However, it soon appeared that important type New York or the Field Museum in Chicago are not in state specimens were missing. Rumour has it that they were sold hands, but are owned by private trusts. Another example is at a fair soon after Zeiller passed away. Unfortunately, the the Museo Paleontológico Egidio Feruglio in Trelew, Argen‑ situation in the new host institute was not ideal. In the mid- tina. The museum was founded by a private foundation in 1990s, several specimens appeared to be broken and parts collaboration with the city of Trelew, and has now become of the same specimens were kept in diferent cabinets, partly a research institution recognised by CONICET (Consejo even under diferent locality designations. The material was Nacional de Investigaciones Científcas y Tecnícas) and not labelled properly and holotypes were not marked. The the ofcial fossil repository of the province of Chubut. In new host institute did not have the humanpower and exper‑ the USA and UK, an increasing number of art galleries are tise to maintain this collection; it even did not have copies of completely privately run (see Ellis 2008; Brown 2017), as the monographs in which the material was described. With‑ are also several palaeontological museums (e.g. Wyoming out the material then kept in private collections, it would not Dinosaur Museum). There is an administrative continuum have been possible to correlate a common type of Early Per‑ between fully state-owned and -managed institutions and mian foliage with a specifc fructifcation and to assign the entirely private institutions, with a large “grey area” with reconstructed plant to the group Peltaspermales (Kerp 1982, many intermediate states including growing mixed funding, 1988). Meanwhile, it is generally accepted that this group, in which private donors are playing signifcant roles. which was traditionally regarded as typically Mesozoic, was Also, is it necessary to have an accreditation for such much more common in the upper Palaeozoic. An inventory repositories? If yes, which organisation should take care of of the Rotliegend foras from the Saar-Nahe Basin (Kerp that? It becomes clear that it is not trivial to decide which and Fichter 1985) would have been impossible without the types of repositories fall into the category “stable repository help of many private collectors, e.g. Arnulf and Harald Stapf within the public trust”. It depends on local circumstances from Nierstein (Germany). Therefore, we vehemently disa‑ and procedures, if any. It will remain impossible in many gree that the deposition of a specimen in a public collection respects to store all the materials of these—in the broad‑ automatically secures its availability for future research and est sense—private museums in state-controlled institutions. that specimens in private collections are generally deemed By contrast, the diversity of ownerships and funding bodies inaccessible. actually increases the likelihood that, in the long run, at least Another query concerning these issues comes to mind: some of these collections survive, taking the volatility of What are the requirements for a “stable repository within politics and economies into account. the public trust” as requested in the SVP letter? Does it have to be funded by governmental institutions (in full, or partially), or may it also be privately fnanced? Can it be a Fewer restrictions may lead to better regional/municipal museum funded by a province, a city or collaboration between professional a smaller community? In general, the ICOM Code of Ethics and amateur palaeontologists: for Museums (ICOM 2017) and the ICOM Code of Ethics the Netherlands as an example for Natural History Museums (ICOM 2013) do not distin‑ guish between museums in public/governmental and private Unlike archaeological remains that are protected by the properties. As long as a museum accepts and complies with Valletta Treaty (also known as the Malta Convention), and the ICOM Code of Ethics, any private museum including living biota (fauna, fora and habitats), which is protected private collections is de facto regarded as a stable, perma‑ by national and European legislation, fossil remains are not nent and accessible repository for published fossil material. legally protected in the Netherlands. It is not forbidden to

1 3 420 C. Haug et al. collect them or to possess them as a private person. The Scheyer 2014), and the cyclid crustacean Halicyne oost- result of this situation is a relatively large number of private erinkorum (named after the late collector Henk Oosterink collectors. The vast majority of them is happily collaborating and his family; Schweitzer et al. 2019). Recently, a new with scientists at universities and natural history museums. marine isopod species was found by Mr. Winkelhorst, Quite a few ‘amateurs’ are engaged as voluntary curators. donated from his collection to the Naturalis Biodiversity When new taxa are being described, the type specimens that Center, and described as the new taxon Gelrincola win- they collected and kept in their possession are transferred to terswijkensis (Schädel et al. 2020). It can be stated without public collections, but most of the other material remains in exaggeration that most of our knowledge about the Mid‑ their care. Often the collectors have made testaments regu‑ dle Triassic of the western Germanic Basin is based on lating the eventual transfer of their collection to a museum material collected by amateurs. They wholeheartedly made after their death. Museums can make various legal arrange‑ and make their collections available for study to scientists ments to facilitate such bequests in advance. from the universities in Bonn (Germany) and Utrecht (The Four major sources of fossil material attract special inter‑ Netherlands), and Naturalis Biodiversity Center (Leiden, est from private collectors: (1) glacial erratics (‘geschiebe’) The Netherlands). originating from the Scandinavian/Baltic region (material Ad (3). A private collector discovered a large mosasaur dating from the to the ); (2) the Mid‑ at the huge ENCI quarry near Maastricht, where Creta‑ dle Triassic of the Winterswijk quarry (Muschelkalk, Ani‑ ceous limestone was excavated until two years ago. The sian, c. 247 Ma); (3) the Late Cretaceous of the type Maas‑ specimen was taken to the Natural History Museum Maas‑ trichtian near Maastricht (c. 70–