DOCSLIB.ORG

HATING Being Led to Study the Shells of the Recent Species of the Family

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
HATING Being Led to Study the Shells of the Recent Species of the Family 148 ON THE GEXERA OF VENERID.E REPRESENTED IN TIIE CRETACEOUS AND OLDER TERTIARY DEPOSITS. By A. J. JUKES-BROWNE, B.A., F.G.S. Head 12th June, 1908. PLATE VI. I. INTRODUCTORY KKMAKKS. HATING being led to study the shells of the recent species of the family Veneridoe, with the view of revising the many generic and subgeneric groups which have been proposed by various writers, and of constructing more satisfactory definitions of them than exist in any current textbooks, I found that it was necessary to include the fossil representatives of the family within the scope of my review. The family doubtless originated during the course of Jurassic time, but it is doubtful whether any representatives of it exist among the Jurassic faunas of England or of Iforthern France. Several genera, however, make their appearance in the Lower Cretaceous rocks of both countries, and a still greater variety of forms is found in the Eocene series. It would be interesting to ascertain whether the Yenerida) developed from one centre, or along two different lines of descent; the possibility of the latter mode of origin being suggested by the great difference which is observable among the Cretaceous representatives. Dosiniopsis, for instance, by its possession of posterior lateral teeth is unquestionably a link between Cyprina and Dosinia, while the Tapcsine genus liaroda, by its elongate shape and by the simplicity of its hinge-teeth, seems to have had a very different origin. "With regard to the later Tertiary species (of Pliocene and Pleisto- cene age), most of them can bo referred without difficulty to recent genera, but some of the Eocene and Cretaceous species exhibit differences which make it necessary to regard them as distinct genera or sub- genera, while at the same time they illustrate the lines along which the recent genera have developed. In this paper I shall concern myself with those species of Cretaceous, Eocene, and Oligocene age which occur within the limits of the Anglo- Parisian region, i.e. in the South of England and the North of France. In our own country palaeontologists have hitherto been content to catalogue the British species under the names of Venus and Cytherea (or Meretrix), and up to about 1885 French palaeontologists were content with the same generic nomenclature, except that Deshayes had described two species of Tapes, several supposed Venerupis, and a shell to which he gave the generic name of Psathura. In 1886, however, the Veneridte of the Parisian Eocene were the subject of careful study and description by JI. Maurice Cossmann, who recognized eleven different genera, of which number three were new, and he also divided his genus Cytherea into five sections or subgenera, and his Venus into three.1 1 Ann. Soc. Roy. 3Ial. Iielg., torn, xxi, p. 104. Downloaded from https://academic.oup.com/mollus/article-abstract/8/3/148/1010827 by Insead user on 07 July 2018 JUKES-BllOWNE : CltETACEOtJS AND EOCENE YENEMDJE. 149 Still more recently Dr. W. H. Dall has investigated the American recent and Tertiary species, and has published a synopsis of the family Veneridce,1 in which ho has redeseribed and defined all the recent and fossil genera. This synopsis is unquestionably the most complete account of the family which has yet been published, and gives now information about some of the generic groups; but it has special reference to American species, and is not an entirely reliable guide with regard to European fossils. lie also makes many altera- tions in the nomenclature, some of which have not gained acceptance in this country. By British conchologists the Veneridai have certainly been much neglected, for no one has published any adequate account of the recent genera since the appearance of Messrs. Adams' "Genera of Kecent Mollusca" in 1858, nor has any critical revision of the fossil repre- sentatives been attempted. My attention was called to the need of such revision by Mr. II. "Woods, who, knowing of my interest in the Yeneridco, sent me some of the specimens which he then had under examination for description in his " Monograph of the Cretaceous Lamellibranchia." I then, for the first time, realized the peculiar characters of certain Cretaceous species, and perceived how greatly most of them differed from any recent shells. Subsequently it becamo evident that it would bo very desirable to compare the Cretaceous and Eocene species, and I put myself in communication with M. Cossmann, who was kind enough to send me specimens from the Parisian Eocene to illustrate the subgeneric groups which ho had proposed in 1886. By kind permission of Dr. Teall I have had the advantage of studying the excellent scries of Eocene and Oligocene Venerida? in the possession of the Geological Survey at the Museum of Practical Geology; through the kindness of Mr. H. Woods I have also been able to examine the fine specimens in the Sedgwick Museum at Cambridge, and I have to thank Mr. "Woods for other assistance and for advice given during correspondence on the subject. The following is a list of the genera and subgenera which have been recognized as occurring in the Cretaceous and Eocene deposits, or have been proposed for species found therein, including some which are now indicated for the first time:— Dosiniopsis, Conrad. dementia, Gray. Callisla, llorch. Cyprimeria, Conrad. Chionella, Cossmann. Cyclorisma, Dall. Aphrodiiia, Conrad. Tsathura, Deshayes. Hollfusia, Cossmann. Vencrella, Cossmann. Titelina, Cossmann. Mcreimonia, Dall. Tilaria, Roemer. Chiotie, Mcgerle. Atopodonta, Cossmann. Textivenus, Cossmann. Circe, Schumacher. Vencritapcs, Cossmann. Gouldia, Adams. Tapes, Koemer. Simetta, Lint. Baroda, Stoliczka. (?) Plychomya, Agassiz. 1 Proc. U.S. Jfat. Mus., vol. xxvi (1902), pp. 335-412; sec also Trans. Wagner Free Inst. Sc, vol. iii, pt. 6 (1903), "Tertiary Fauna of Florida." Downloaded from https://academic.oup.com/mollus/article-abstract/8/3/148/1010827 by Insead user on 07 July 2018 150 PROCEEDINGS OF THE 3IALAC0L0GICAL SOCIETY. I propose to give some account of all these genera, and to mention the species which have been or can be referred to them. I have not, however, been able to see the Edwards Collection in the British Museum, and cannot therefore include all the species which were named by Edwards, but many of which have never yet been described. Again, there are many fossil shells which were called Venus or Cytherea by the older writers, but which are now known to belong to other genera; consequently it will bo useful in the first placo to give a list of the species which have thus been eliminated from the Ycnerida;, and need not bo considered in the present paper. These are the following :— Venus angulata, Fleming (a Cyprina). V. fenestrata, Forbes (a Cardita). V. lineolata, Sow. (a Cyprina). V. Kysli, Br. & Cora. (an£riphyla). V. lucina, Br. & Corn, (an Eriphyla). V. striato-costata, Forbes (an Astarte). V. suimersa, Sow. (type lost, possibly a Cyprina). V. tenera. Sow. (a Zucina). V. truncate!, Sow. (a Cyprina). V. pectenifera, Sow. (an Anisocardia), Cytherea scutcllaria, Lam. (a Cyprina). II. DESCRIPTION OF GENEBA AND SUBGENEEA. 1. DOSINIOPSIS, Conrad. PI. VI, Fig. 1. This genus was founded in 1864,' the typo being a Lower Eocene fossil to which Conrad gave the name of D. Meelci. The original description was very inadequate, the presence of a posterior lateral tooth not being noticed, and only a left valve being figured. He does, however, mention Cytherea lenticular is, Rogers, as a closely allied species from which D. Meehi differs in being "proportionally more elevated and convex." It was not till 1901 that Conrad's type was well figured by Messrs. Clark & Martin,1 who consider it to be merely a variety of the previously described D. lenticularis of Rogers. They adopt the genus Dosiniopsis, but do not give any definition of it; and they regard D. lenticularis as the type, but do not give any fresh description of it, merely quoting that of Itogers. They state that D. lenticularis "is a moderately thin shell with a weak hinge, while the form described by Conrad is a heavy shell with a broad solid hinge. Every possible gradation between the extremes has been observed." From the figures given by Messrs. Clarke & Martin it is seen that the older and thicker shells (D. Meclci) are as tall as they are broad, while the thinner form (D. lenticularis) is broader than it is high. Although no mention of the posterior lateral tooth is made in the text, it is shown very clearly in the figures, and it is of course more conspicuous in the shells which have a thick hinge-plate than in those with a weak one. 1 Troc. Acad. Nat. Sci. Thilad., 1863, p. 212. 2 Maryland Geological Survey: "The Eocene Deposits of Maryland," p. 171, pi. iixv. Downloaded from https://academic.oup.com/mollus/article-abstract/8/3/148/1010827 by Insead user on 07 July 2018 JUKES-BROWNE : CKETACEOUS AND EOCENE VENERID.E. 151 M. Maurice Cossmann had recognized the existence of species of Dosiniopsis in the Lower Eocene of Prance as far back as 1885,1 hut he only gives a translation of Conrad's description of the typo, and then remarks: "The form of the sinus, the crenulation of the nymph, and the (elongate) lateral tooth appear to mo to justify the creation of a genus and consequently the adoption of Conrad's." No mention is made of a posterior lateral tooth. Dr. "W". II. Dall seems to have been the first to recognize the existence of posterior lateral teeth in Dosinio2)sis.2 He gave a complete fresh generic description, and mentions "the distinct posterior right lateral which fits into an excavated socket in the left valve "; then adding: " This is the only genus of the family with a distinctly developed posterior lateral tooth, and if it were not for the number of cardinals and the presence of a pallial sinus it might be referred to Cyprina." Dr.
Load more

Recommended publications
  • Spatial Variability in Recruitment of an Infaunal Bivalve
    Spatial Variability in Recruitment of an Infaunal Bivalve: Experimental Effects of Predator Exclusion on the Softshell Clam (Mya arenaria L.) along Three Tidal Estuaries in Southern Maine, USA Author(s): Brian F. Beal, Chad R. Coffin, Sara F. Randall, Clint A. Goodenow Jr., Kyle E. Pepperman, Bennett W. Ellis, Cody B. Jourdet and George C. Protopopescu Source: Journal of Shellfish Research, 37(1):1-27. Published By: National Shellfisheries Association https://doi.org/10.2983/035.037.0101 URL: http://www.bioone.org/doi/full/10.2983/035.037.0101 BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Journal of Shellfish Research, Vol. 37, No. 1, 1–27, 2018. SPATIAL VARIABILITY IN RECRUITMENT OF AN INFAUNAL BIVALVE: EXPERIMENTAL EFFECTS OF PREDATOR EXCLUSION ON THE SOFTSHELL CLAM (MYA ARENARIA L.) ALONG THREE TIDAL ESTUARIES IN SOUTHERN MAINE, USA 1,2 3 2 3 BRIAN F.
    [Show full text]
  • Chamelea Gallina in the Coastal Waters of the Anapa Bay
    Oceanologia (2019) 61, 471—483 Available online at www.sciencedirect.com ScienceDirect j ournal homepage: www.journals.elsevier.com/oceanologia/ ORIGINAL RESEARCH ARTICLE Chamelea gallina in the coastal waters of the Anapa bay bar (the Black Sea) as a carbonate sediment producer a, b Alisa R. Kosyan *, Boris V. Divinsky a A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia b P. P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia Received 22 October 2018; accepted 26 April 2019 Available online 16 May 2019 KEYWORDS Summary The paper presents preliminary results of monitoring the population of the bivalve Population; Chamelea gallina, which is the main source of biogenic carbonates for the Anapa bay bar beaches Biomass; (the Black Sea). It is shown that by 2017, the biomass of the clams decreased more than twice compared to 2010, but began to increase in 2018. The average sizes of C. gallina are clearly Shell length; Age; divided in terms “year” — “section” — “age”. At the same time, interannual variations of the average size are very strong in all age groups. The average shell length of C. gallina significantly Rapana venosa; increased in 2018 compared to 2016, and especially — to 2017. This may be caused by the Black Sea population decline of the predator Rapana venosa feeding on clams. Geographic differences in the shell length between sections are not directly related to the distribution of biogenic elements (nitrogen and phosphorus). The differences in longevity and shell size between C. gallina from the Anapa region and distant populations from the other parts of the distribution area are likely related to its significant negative correlation with the growth rate, which in turn negatively correlates with latitude.
    [Show full text]
  • Proceedings of the United States National Museum, III
    * SYNOPSIS OF thp: family venerid.t^ and of the NORTH AMERICAN RECENT SPECIES. B}^ WiLiJAM Hkai;ky Dall, Honontrji ('iirator, Division of Mollnsks. This synopsis is one of a series of similar summaries of the families of bivalve mollusks which have been prepared by the writer in the course of a revision of our Peleeypod fauna in the light of th(^ material accumulated in the collections of the United States National Museum. While the lists of species are made as complete as possible, for the coasts of the United States, the list of those ascribed to the Antilles, Central and South America, is pro])ably subject to considerable addi- tions when the fauna of these regions is better known and the litera- ture more thoroughly sifted. No claim of completeness is therefore made for this portion of the work, except when so expressly stated. So many of the southern forms extend to the verge of our territory that it was thought well to include those known to exist in the vicinity when it could l)e done without too greatly increasing the labor involved in the known North American list. The publications of authors included in the bibliograph}' which follows are referred to by date in the text, but it may be said that the full explanation of changes made and decisions as to nomenclature arrived at is included in the memoir on the Tertiary fauna of Florida in course of pul)lication by the Wagner Institute, of Philadelphia, for the writer, forming the third volume of their transactions. The rules of nomenclature cited in Part 111 of that work (pp.
    [Show full text]
  • Inventory of Mollusks from the Estuary of the Paraíba River in Northeastern Brazil
    Biota Neotropica 17(1): e20160239, 2017 www.scielo.br/bn ISSN 1676-0611 (online edition) inventory Inventory of mollusks from the estuary of the Paraíba River in northeastern Brazil Silvio Felipe Barbosa Lima1*, Rudá Amorim Lucena2, Galdênia Menezes Santos3, José Weverton Souza3, Martin Lindsey Christoffersen2, Carmen Regina Guimarães4 & Geraldo Semer Oliveira4 1Universidade Federal de Campina Grande, Unidade Acadêmica de Ciências Exatas e da Natureza, Centro de Formação de Professores, Cajazeiras, PB, Brazil 2Universidade Federal da Paraíba, Departamento de Sistemática e Ecologia, João Pessoa, PB, Brazil 3Universidade Federal de Sergipe, Departamento de Ecologia, São Cristóvão, SE, Brazil 4Universidade Federal de Sergipe, Departamento de Biologia, São Cristóvão, SE, Brazil *Corresponding author: Silvio Felipe Lima, e-mail: [email protected] LIMA, S.F.B., LUCENA, R.A., SANTOS, G.M., SOUZA, J.W., CHRISTOFFERSEN, M.L., GUIMARÃES, C.R., OLIVEIRA, G.S. Inventory of mollusks from the estuary of the Paraíba River in northeastern Brazil. Biota Neotropica. 17(1): e20160239. http://dx.doi.org/10.1590/1676-0611-BN-2016-0239 Abstract: Coastal ecosystems of northeastern Brazil have important biodiversity with regard to marine mollusks, which are insufficiently studied. Here we provide an inventory of mollusks from two sites in the estuary of the Paraíba River. Mollusks were collected in 2014 and 2016 on the coast and sandbanks located on the properties of Treze de Maio and Costinha de Santo Antônio. The malacofaunal survey identified 12 families, 20 genera and 21 species of bivalves, 17 families, 19 genera and 20 species of gastropods and one species of cephalopod. Bivalves of the family Veneridae Rafinesque, 1815 were the most representative, with a total of five species.
    [Show full text]
  • Wiki Page Related to Species Information Including from D4.X.1 WP5: Citizen Science Initiative - Involving People in Ecosystems Restoration
    RECONNECT Regional cooperation for the transnational ecosystem sustainable development Interreg V-B “Balkan-Mediterranean 2014-2020” Deliverable 5.X.4 Wiki page related to species information including from D4.X.1 WP5: Citizen science Initiative - Involving people in ecosystems restoration Responsible Partner: Department of Biological Sciences, University of Cyprus Deliverable team: DBS-UCY (AP Marine Ltd & G.E GEOMETRIKI LTD) HCMR, IBER-BAS June, 2020 Project co-funded by the European Union and National Funds of the participating countries 1 DOCUMENT DATA Title Wiki page related to species information including from D4.X.1 Authors Yiota Lazarou1, Antonis Petrou2, George Othonos3, Soteria- Irene Hadjieftychiou2, Evi Geka3, Thanasis Mantes3, Dimitar Berov4, Stefania Klayn4, Christina Pavloudi5, Giorgos Chatzigeogriou5, Pavlos Diplaros1, Spyros Sfenthourakis1, Christos Arvanitidis5 Affiliation Department of Biological Sciences of the University of Cyprus1, AP Marine Environmental Consultancy Ltd 2, G.E GEOMETRIKI LTD3, Institute of Biodiversity and Ecosystem Research4, Hellenic Centre for Marine Research5 Point of Contact Yiota Lazarou Note: AP Marine Environmental Consultancy Ltd and G.E GEOMETRIKI LTD are the External Experts of DBS-UCY for project RECONNECT Project co-funded by the European Union and National Funds of the participating countries 2 CONTENTS 1. INTRODUCTION ........................................................................................................... 5 1.1 Deliverable’s objective ...................................................................................................................
    [Show full text]
  • (Röding, 1798) (Mollusca: Bivalvia: Veneridae) from Indian Coastal Waters
    Rec. zool. Surv. India: Vol. 120(4)/509–511, 2021 ISSN (Online) : 2581-8686 DOI: 10.26515/rzsi/v120/i4/2020/131389 ISSN (Print) : 0375-1511 Short Communication Range extension and first record of Meretrix lusoria (Röding, 1798) (Mollusca: Bivalvia: Veneridae) from Indian coastal waters Rajendar Kumar Rupavath*, Rajkumar Rajan and Vanishree Jegadeesan Marine Biology Regional Centre, Zoological Survey of India, Chennai - 600028, Tamil Nadu, India Email: [email protected] Abstract Meretrix lusoria (Röding, 1798), one of the commercially important marine bivalves found in waters of west Taiwan, Meretrix southeast China, Thailand and Japan, is reported for the first time from the coastal waters of India (Andhra Pradesh coast, Bay of Bengal), thus extending its range from Central Indo-Pacific to Bay of Bengal. This report raises the tally of spp. so far known from India to four. Keywords: Bay of Bengal, First Record, Meretrix lusoria, Veneridae Introduction systematic classification were followed as per Hornell (1917), Huber (2010) and Rao (2017). The genus Meretrix is restricted to the Indian and Chinese seas, from Aden and the Gulf of Oman to Timorand the Results Philippines, and as far north as Japan (Jukes-Browney, with 13 species known so far (Huber, 2010). There Taxonomy ,(1913 are only three species known to occur so far in Indian waters, namely Meretrix attenuata Dunker, 1863, Meretrix Phylum MOLLUSCA casta (Gmelin, 1791), and Meretrix meretrix (Linnaeus, Class BIVALVIA Hornell, 1917). The specimen reported here, Subterclass EUHETERODONTA) (1758 collected off Andhra Pradesh coast (East coast of India, Order VENERIDA Bay of Bengal), is identified asMeretrix lusoria (Röding, 1798), which is a new addition to this genus from Indian Superfamily VENEROIDEA waters, since Hornell (1917).
    [Show full text]
  • First Survey of Interstitial Molluscs from Cayo Nuevo, Campeche Bank, Gulf of Mexico
    A peer-reviewed open-access journal ZooKeys 779: 1–17 (2018) Molluscs from Cayo Nuevo, Mexico 1 doi: 10.3897/zookeys.779.24562 CHECKLIST http://zookeys.pensoft.net Launched to accelerate biodiversity research First survey of Interstitial molluscs from Cayo Nuevo, Campeche Bank, Gulf of Mexico Deneb Ortigosa1, Nancy Yolimar Suárez-Mozo1, Noe C. Barrera2, Nuno Simões1,3,4 1 Unidad Multidisciplinaria de Docencia e Investigación Sisal (UMDI-SISAL), Facultad de Ciencias, Uni- versidad Nacional Autónoma de México, Puerto de abrigo s/n, Sisal, CP 97356 Yucatán, Mexico 2 Harte Research Institute, Texas A&M University-Corpus Christi, 300 Ocean Dr., Unit 5869, Corpus Christi, Texas 78412-5869, U.S.A. 3 Laboratorio Nacional de Resiliencia Costera Laboratorios Nacionales, CONACYT, Mexico City, Mexico 4 International Chair for Coastal and Marine Studies, Harte Research Institute for Gulf of Mexico Studies, Texas A&M University – Corpus Christi, Corpus Christi, Texas, USA Corresponding author: Nuno Simões ([email protected]) Academic editor: N. Yonow | Received 20 February 2018 | Accepted 9 July 2018 | Published 2 August 2018 http://zoobank.org/CE8D6959-7966-480C-ADF6-D514071AAF29 Citation: Ortigosa D, Suárez-Mozo NY, Barrera NC, Simões N (2018) First survey of Interstitial molluscs from Cayo Nuevo, Campeche Bank, Gulf of Mexico. ZooKeys 779: 1–17. https://doi.org/10.3897/zookeys.779.24562 Abstract Six sediment samples weighing between 224–735 g were collected in June of 2016 from Cayo Nuevo reef, located at the Campeche Bank, southern Gulf of Mexico. Samples were collected by SCUBA diving, from were two stations at depths of 7.6 and 18.2 m.
    [Show full text]
  • ERSS for Corbicula Australis
    Little Basket Clam (Corbicula australis) Ecological Risk Screening Summary U.S. Fish and Wildlife Service, August 2011 Revised, August 2018 Web Version, 9/4/2018 1 Native Range and Status in the United States Native Range From Ponder et al. (2016): “In river systems throughout mainland Australia. Although the southwest corner does not have any collection records on our map, a few specimens from that area have been seen.” Status in the United States This species has not been reported in the United States. There is no indication Corbicula australis is available in trade within the United States. Means of Introductions in the United States This species has not been reported in the United States. 1 Remarks From Byrne et al. (2000): “Although these clams are among the most important molluscs in freshwater systems, their taxonomy is poorly understood (McMahon, 1983; Morton, 1977; Komaru et al., 1997). Recent research indicates that their difficult systematics is due to the triploid chromosome number, hybrid status, clonality and unusual ameiotic breeding systems of many Corbicula species (Komaru et al., 1997, 1998).” From Van Damme (2011): “Corbicula australis has been assessed as Data Deficient. This is due to a lack of information regarding the habitat and threats facing this species. Further research into the range, abundance and threats to this species could be facing, before a more accurate assessment can be made.” Graf and Cummings (2018) list Cyrena australis Deshayes, 1830; Cyrena nepeanensis Lesson, 1830; Cyrena debilis Gould, 1850; Corbicula angasi Prime, 1864; Corbicula rivina Clessin, 1879; Corbicula sublaevigata Smith, 1882; Corbicula desolata Tate, 1887; Corbicula nepeansis Prime, 1895; Corbiculina aramita Iredale, 1943; Corbiculina maroubra Iredale, 1943; Corbiculina permena Iredale, 1943; Corbiculina samara Iredale, 1943; and Corbiculina subovalina Iredale, 1943 as synonyms for Corbicula australis.
    [Show full text]
  • Sveučilište U Dubrovniku Odjel Za Akvakulturu Diplomski Studij Marikultura
    SVEUČILIŠTE U DUBROVNIKU ODJEL ZA AKVAKULTURU DIPLOMSKI STUDIJ MARIKULTURA Tea Ćurković Reproduktivni ciklus prugaste ladinke Chamelea gallina (Linnaeus, 1758), (Mollusca: Bivalvia) na ušću rijeke Neretve DIPLOMSKI RAD Dubrovnik, 2017. SVEUČILIŠTE U DUBROVNIKU ODJEL ZA AKVAKULTURU DIPLOMSKI STUDIJ MARIKULTURA Tea Ćurković Reproduktivni ciklus prugaste ladinke Chamelea gallina (Linnaeus, 1758), (Mollusca: Bivalvia) na ušću rijeke Neretve DIPLOMSKI RAD Mentor: doc.dr.sc. Ana Bratoš Cetinić Dubrovnik, 2017. Ovaj diplomski rad izrađen je pod stručnim vodstvom doc.dr.sc. Ana Bratoš Cetinić, u sklopu diplomskog studija Marikultura na Odjelu za akvakulturu Sveučilišta u Dubrovniku. SAŽETAK Reproduktivni ciklus prugaste ladinke Chamelea gallina (Linnaeus, 1758), (Mollusca:Bivalvia) na ušću rijeke Neretve Ovo istraživanje je dio sveobuhvatnijeg istraživanja prugaste ladinke, Chamelea gallina (Linnaeus, 1758) kojeg je provela Bratoš Cetinić (2012.). Suvremenom metodom koja omogućuje mjerenje stanica sa histoloških preparata, izmjerene su oocite iz 83 ženki koje izdvojene iz ukupnog uzorka od 195 jedinki prikupljenih u periodu siječanj 2003.-siječanj 2004. godine. Ostali dio uzorka čine mužjaci. U dosadašnjim istraživanjima nije korištena ova metoda za utvrđivanje reproduktivnog ciklusa kod C.gallina. Promatranjem histoloških preparata utvrđen je omjer mužjaka i ženki, te iznosi 1,34:1. Nije zabilježen niti jedan hermafrodit. Promatranjem je utvrđena skala gametogeneze koja je kasnije uspoređena s dobivenim mjerama oocita. Dobivene mjere oocita
    [Show full text]
  • Local Disappearance of Bivalves in the Azores During the Last Glaciation
    JOURNAL OF QUATERNARY SCIENCE (2008) Copyright ß 2008 John Wiley & Sons, Ltd. Published online in Wiley InterScience (www.interscience.wiley.com) DOI: 10.1002/jqs.1165 Local disappearance of bivalves in the Azores during the last glaciation SE´RGIO P. A´ VILA,1,2,3* PATRI´CIA MADEIRA,1,3 C. MARQUES DA SILVA,4 MA´ RIO CACHA˜ O,4 BERNARD LANDAU,4 RUI QUARTAU5 and A. M. DE FRIAS MARTINS1,2,6 1 Departamento de Biologia, Universidade dos Ac¸ores, Ponta Delgada, Azores, Portugal 2 Centro do IMAR da Universidade dos Ac¸ores, Horta, Azores, Portugal 3 MPB – Marine Palaeobiogeography Working Group of the University of the Azores, Rua da Ma˜e de Deus, Ponta Delgada, Azores, Portugal 4 Departamento e Centro de Geologia, Faculdade de Cieˆncias, Universidade de Lisboa, Lisbon, Portugal 5 Departamento de Geologia Marinha, INETI, Estrada da Portela, Zambujal, Alfragide, Portugal 6 CIBIO Centro de Investigac¸a˜o em Recursos Gene´ticos – Po´lo Ac¸ores, Departamento de Biologia, Universidade dos Ac¸ores, Ponta Delgada, Azores, Portugal A´ vila, S. P., Madeira, P., Marques da Silva, C., Cacha˜o, M., Landau, B., Quartau, R., and de Frias Martins, A. M. Local disappearance of bivalves in the Azores during the last glaciation. J. Quaternary Sci., (2008). ISSN 0267-8179. Received 7 August 2007; Accepted 6 December 2007 ABSTRACT: The Pleistocene (Eemian) outcrops of Lagoinhas and Prainha, located at Santa Maria Island (Azores), were investigated and their fossil mollusc content reported. These studies revealed that the last glaciation affected two groups of molluscs: the ‘warm-guest’ gastropods with West African or Caribbean affinities (e.g.
    [Show full text]
  • Morphogenesis and Ecogenesis of Bivalves in the Phanerozoic
    Morphogenesis and Ecogenesis of Bivalves in the Phanerozoic L. A. Nevesskaja Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya ul. 123, Moscow, 117997 Russia e-mail: [email protected] Received March 18, 2002 Contents Vol. 37, Suppl. 6, 2003 The supplement is published only in English by MAIK "Nauka/lnlerperiodica" (Russia). I’uleonlologicul Journal ISSN 003 I -0301. INTRODUCTION S59I CHAPTER I. MORPHOLOGY OF BIVALVES S593 (1) S true lure of the Soil Body S593 (2) Development of the Shell (by S.V. Popov) S597 (3) Shell Mierosluelure (by S.V. Popov) S598 (4) Shell Morphology S600 (5) Reproduetion and Ontogenelie Changes of the Soft Body and the Shell S606 CHAPTER II. SYSTEM OF BIVALVES S609 CHAPTER III. CHANGES IN THE TAXONOMIC COMPOSITION OF BIVALVES IN THE PHANEROZOIC S627 CHAPTER IV. DYNAMICS OF THE TAXONOMIC DIVERSITY OF BIVALVES IN THE PHANEROZOIC S631 CHAPTER V. MORPHOGENESIS OF BIVALVE SHELLS IN THE PHANEROZOIC S635 CHAPTER VI. ECOLOGY OF BIVALVES S644 (1) Faelors Responsible lor the Distribution of Bivalves S644 (a) Abiotic Factors S644 (b) Biotic Factors S645 (c) Environment and Composition of Benthos in Different Zones of the Sea S646 (2) Elhologieal-Trophie Groups of Bivalves and Their Distribution in the Phanerozoic S646 (a) Ethological-Trophic Groups S646 (b) Distribution of Ethological-Trophic Groups in Time S649 CHAPTER VII. RELATIONSHIPS BETWEEN THE SHELL MORPHOLOGY OF BIVALVES AND THEIR MODE OF LIFE S652 (1) Morphological Characters of the Shell Indicative of the Mode of Life, Their Appearance and Evolution S652 (2) Homeomorphy in Bivalves S654 CHAPTER VIII. MORPHOLOGICAL CHARACTERIZATION OF THE ETHOLOGICAL-TROPHIC GROUPS AND CHANGES IN THEIR TAXONOMIC COMPOSITION OVER TIME S654 (1) Morphological Characterization of Major Ethological-Trophic Groups S654 (2) Changes in the Taxonomic Composition of the Ethological-Trophic Groups in Time S657 CHAPTER IX.
    [Show full text]
  • Dense Transcriptome Sampling Drastically Improves the Bivalve Tree of Life
    Resolving the relationships of clams and royalsocietypublishing.org/journal/rspb cockles: dense transcriptome sampling drastically improves the bivalve tree of life Sarah Lemer1,2,Ru¨diger Bieler3 and Gonzalo Giribet2 Research 1University of Guam Marine Laboratory, 303 University Drive, UOG Station, Mangilao, GU 96923, USA 2 Cite this article: Lemer S, Bieler R, Giribet G. Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA 2019 Resolving the relationships of clams and 3Integrative Research Center, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, cockles: dense transcriptome sampling IL 60605, USA drastically improves the bivalve tree of life. SL, 0000-0003-0048-7296 Proc. R. Soc. B 286: 20182684. http://dx.doi.org/10.1098/rspb.2018.2684 Bivalvia has been the subject of extensive recent phylogenetic work to attempt resolving either the backbone of the bivalve tree using transcriptomic data, or the tips using morpho-anatomical data and up to five genetic markers. Yet the first approach lacked decisive taxon sampling and the second failed to resolve Received: 27 November 2018 many interfamilial relationships, especially within the diverse clade Impari- Accepted: 11 January 2019 dentia. Here we combine dense taxon sampling with 108 deep-sequenced Illumina-based transcriptomes to provide resolution in nodes that required additional study. We designed specific data matrices to address the poorly resolved relationships within Imparidentia. Our results support the overall backbone of the bivalve tree, the monophyly of Bivalvia and all its main Subject Category: nodes, although the monophyly of Protobranchia remains less clear.
    [Show full text]