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The oldest stylophoran echinoderm: a new Ceratocystis from the Middle Cambrian of Germany
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
2010 (English)In: Palaontologische Zeitschrift, ISSN 0031-0220, Vol. 84, no 2, p. 227-237Article in journal (Refereed) Published
Abstract [en]

A new stylophoran (Ceratocystis prosthiakida sp. nov.) from the early Middle Cambrian of the Franco- nian Forest (north-east Bavaria, Germany) is described with the aid of computed tomography, a powerful means of visualizing fossil anatomy. Investigation in this manner enabled previously inaccessible, buried parts of the fossil to be imaged and studied. In addition, a procedure for digitally correcting plate articulations was implemented. Ceratocystis prosthiakida sp. nov. possesses a thin anterior right spine which clearly differentiates it from other species of Ceratocystis. Similar to other Ceratocystis species, C. prosthiakida sp. nov. lived in storm-dominated shallow marine conditions. The species is from the Galgenberg Formation, which has an early Agdzian age in the unified West Gondwanan chronostratigraphy. As a result, it represents the oldest stylophoran known to date.

 

Place, publisher, year, edition, pages
2010. Vol. 84, no 2, p. 227-237
Keyword [en]
Ceratocystis, Stylophora, Echinoderms, Cambrian, Germany
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-135077DOI: 10.1007/s12542-009-0039-zISI: 000277556100002OAI: oai:DiVA.org:uu-135077DiVA, id: diva2:374394
Available from: 2010-12-03 Created: 2010-12-03 Last updated: 2010-12-13Bibliographically approved

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