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4. Arbeitstreffen Deutschsprachiger Echinodermenforscher Wien, Oktober 08 4. Arbeitstreffen deutschsprachiger Echinodermenforscher Wien, Oktober 08 4. Arbeitstreffen deutschsprachiger Echinodermenforscher, Wien, Okt. 08 4th Workshop of German & Austrian Echinoderm Research 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research 24.-26. October 2008 ABSTRACTS Andreas Kroh & Brigitta Schmid Naturhistorisches Museum Wien 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research Impressum Eigentümer, Herausgeber und Verleger: © 2008 Natuhistorisches Museum Wien Alle Rechte vorbehalten. Für den Inhalt der Beiträge sind die Autoren verantwortlich. Redaktion: Naturhistorisches Museum Wien Burgring 7, A-1010 Wien, Österreich (Austria) Tel.: +43 (1) 521 77 / 576 (Kroh); +43 (1) 521 77 / 564 (Schmid) Fax: +43 (1) 521 77 / 459 e-mail: [email protected] e-mail: [email protected] Redaktionelle Bearbeitung (EDV, Layout, Grafik): Andreas Kroh Umschlagentwurf: Andreas Kroh Titelbild: Coelopleurus (Keraiophorus) exquisitus COPPARD & SCHULTZ, 2006; Neukaledonien (NHMW 2005z0277/0016; Photo von Alice SCHUMACHER, NHM Wien). 24.-26. October 2008 iii 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research Inhalt Encrinus sp. cf. E. robustus (Crinoidea, Encrinidae) aus dem Unteren Muschelkalk von Niedersachsen (Poster) Ulrich Bielert, Friedrich Bielert & Hans Hagdorn...........................................1 Classification of pre- and postmortem ossicular modifications of the Cupressocrinitid skeletons (Crinoidea, Devonian) (Poster) Jan Bohatý ............................................................................................3 Dental insights into ophiuroids: Feeding mechanisms and life style (Poster) Karin Boos...........................................................................................14 Ökophänotypbildung der Muschelkalk-Crinoide Encrinus liliiformis - Vergleich zweier Populationen aus Nord-Württemberg (Vortrag) Janina F. Dynowski & James H. Nebelsick.................................................15 Stereomdifferenzierung in verschiedenen Seeigeln und ihr bionisches Potenzial (Vortrag) Nils Großmann & James H. Nebelsick.......................................................17 Die Stereome diverser regulärer Seeigelstachel (Poster) Nils Großmann & James H. Nebelsick.......................................................19 30 Years of Research on Crinoids / 30 Jahre Crinoidenforschung (Keynote) Hans Hess ...........................................................................................20 Pattern formation in starfish: arm stumps, regeneration models, and evolution (Poster) Frederick H.C. Hotchkiss........................................................................21 Bdellacoma in the Hunsrück Slate (Lower Devonian, Germany): reidentification of Urasterella verruculosa (Asteroidea, Bdellacomidae) (Poster) Frederick H.C. Hotchkiss & Alexander Glass..............................................23 Index of Living and Fossil Echinoids: 1971 - present (Poster) Andreas Kroh.......................................................................................25 Crinoids from the Tithonian of the Klippenbelt (Jurassic, Austria) (Poster) Andreas Kroh & Alexander Lukeneder......................................................26 iv 24.-26. October 2008 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research Temperature effect on feed consumption, absorption and assimilation efficiencies and production in the sea urchin Strongylocentrotus intermedius (Poster) John M. Lawrence, Xuebin Cao, Yaqing Chang, Ping Wang, Y. Yu, Addison L. Lawrence, Stephen A. Watts .................................................................. 28 Amount of arm loss and rate of arm regeneration by Luidia clathrata (Echinodermata: Asteroidea) (Poster) J.M. Lawrence & C.M. Pomory ................................................................ 29 Seastars (Asteroidea) from Madagascar (Vortrag) Horst Moosleitner ................................................................................. 30 Morphologie und Faziesverteilung des indo-pazifischen Seeigels Jacksonaster depressum (Vortrag) James Nebelsick & Atef Abd El-Hamied A. S. Elattaar................................. 32 Taphonomie von Jacksonaster depressum (Echinoidea: Clypeasteroida) aus dem Roten Meer (Poster) James Nebelsick & Atef Abd El-Hamied A. S. Elattaar................................. 33 Skelett-Endosymbionten fossiler und rezenter Echinodermen: Von Bioklaustrationen zu komplexen Strukturen (Vortrag) Christian Neumann ............................................................................... 34 Echinoids from the Neogene of Portugal mainland: Systematics, Palaeoecology, Palaeobiogeography (Vortrag) Pedro Pereira ....................................................................................... 36 Phylogenetic relationships within Echinodermata based on mitochondrial sequence data (Vortrag) Marleen Perseke, Guido Fritzsch, Detlef Bernhard, Peter F. Stadler & Martin Schlegel .............................................................................................. 38 New insights into early diversification of sea cucumbers as inferred from calcareous ring material (Ordovician/Silurian, Baltoscandia) (Vortrag) Mike Reich........................................................................................... 39 A nearly articulated holothurian from the Santonian (Cretaceous) of England (Poster) Mike Reich........................................................................................... 40 24.-26. October 2008 v 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research Unusual holothurians (Echinodermata) from the Late Ordovician of Sweden (Poster) Mike Reich...........................................................................................42 Signs of predation on Middle Triassic crinoids form Poland (Poster) Mariusz A. Salamon & Przemysław Gorzelak .............................................43 Are that sea urchins ???? - The strange morphology of the echinoid family Pourtalesiidae (Vortrag) Heinke Schultz .....................................................................................45 The early history of echinoderms: new insights from disarticulated early and middle Cambrian ossicles (Keynote) Andrew B Smith ...................................................................................48 Rhaetian ophiuroids from the Netherlands: a preliminary report (Poster) Ben Thuy, Adiël A. Klompmaker & John W. M. Jagt....................................49 Irregular echinoids from the Turonian Seewen Limestone of the Allgäu area (S. Germany) (Vortrag) Frank Wiese & Nils Schlüter ...................................................................51 Antiquity and Longevity of a deep-sea oyster/crinoid association (Azores Archipelago) (Vortrag) Max Wisshak, Christian Neumann, Matthias López Correa, Serge Gofas, Carmen Salas, Marco Taviani, Joachim Jakobsen, André Freiwald ................53 Bromierte Anthrachinon-Pigmente aus der rezenten Seelilie Proisocrinus ruberrimus (Vortrag) Klaus Wolkenstein, Wolfgang Schoefberger, Norbert Müller & Tatsuo Oji.......55 vi 24.-26. October 2008 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research 24.-26. October 2008 vii 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research Encrinus sp. cf. E. robustus (Crinoidea, Encrinidae) aus dem Unteren Muschelkalk von Niedersachsen (Poster) ULRICH BIELERT1, FRIEDRICH BIELERT2 & HANS HAGDORN3 1 Rheinblick 4, 69226 Nußloch, Deutschland; e-mail: [email protected] 2 Am Goldgraben 21 37073 Göttingen, Deutschland; e-mail: [email protected] 3 Muschelkalkmuseum, Schloss-Str. 11, 74653 Ingelfingen, Deutschland; e-mail: encrinus@t- online.de Auf zwei oolithischen Gesteinsstücken aus den Terebratelbänken (Unterer Muschelkalk, Jena-Formation; Anisium, Pelsonium) von Königslutter am Elm (Niedersächsisches Landesmuseum Hannover 50004 und 52040, aus Slg. O. Klages) sind artikulierte Reste von Kronen und Stielen eines großwüchsigen Encrinus erhalten. Die Gattung ist im Unteren Muschelkalk mit mehreren nominalen Arten vertreten, die jedoch ungenau diagnostiziert sind, weshalb die Zuordnung von Einzelfunden oft Schwierigkeiten bereitet. Die drei vorliegenden Individuen (Kronenlänge bis 50 mm) sind gekennzeichnet durch einen stumpf kegelförmigen Kelch mit langen, mit ca. 50o gegen die Längsachse geneigten, in Seitenansicht sichtbaren Basalia (B), die distal tief in die interradiale Sutur eingreifen. Dorsal sind Basalia und Radialia (R) schwach gewölbt und zeigen keine Buckel oder sonstige Ornamente; die Suturen liegen nicht vertieft. Die Artikulation der Kelchplatten ist zygosynostosial. Die Arme sind proximal relativ breit, werden nach distal jedoch rasch schmaler. Das erste Primibrachiale (IBr1) ist relativ lang, flach quergewölbt und grenzt 24.-26. October 2008 1 4. Arbeitstreffen deutschsprachiger Echinodermenforscher 4th Workshop of German & Austrian Echinoderm Research mit langer Sutur gegen die Nachbarglieder. Auch das Primaxillare (IBr2Ax) ist relativ lang und hat wie das IBr1 keine dorsalen Buckel. Zusammen mit den beiden ersten Sekundibrachialia (IIBr1, IIBr2) wirken Kelch und proximale Arme ballonförmig aufgetrieben.
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