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Taxonomy, morphology, shell structure and early ontogeny of Pelmanotreta nom. nov. from the lower Cambrian of Siberia
Naturhistoriska riksmuseet, Enheten för paleobiologi.ORCID-id: 0000-0001-7366-7680
Vise andre og tillknytning
2015 (engelsk)Inngår i: GFF, ISSN 1103-5897, E-ISSN 2000-0863, Vol. 137, nr 1, s. 1-8Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The new generic name Pelmanotreta is proposed under the provisions of the International Code of Zoological Nomenclature (ICZN) to replace Cryptotreta Pelman, 1977 (Brachiopoda), a junior homonym of Cryptotreta Blanc & Foote, 1961 (Arthropoda). This poorly known brachiopod genus and its type and only species, Pelmanotreta neguertchenensis (Pelman, 1977), from the early Cambrian of Siberia is redescribed. The family-level taxonomy of Pelmanotreta and other “cryptotretid” brachiopods is uncertain. In Pelmanotreta, dorsal valves vastly outnumber ventral valves in all collections but new specimens of the poorly known ventral valve reveal a possibly septate and poorly mineralized apical region. A prismatic hexagonal shell structure comparable to that of Salanygolina is described. P. neguertchenensis preserves the earliest known record of a larval shell in brachiopods.

sted, utgiver, år, opplag, sider
2015. Vol. 137, nr 1, s. 1-8
Emneord [en]
early Cambrian; Brachiopoda; Siberia; systematics; shell structure
HSV kategori
Forskningsprogram
Den föränderliga jorden
Identifikatorer
URN: urn:nbn:se:nrm:diva-1813DOI: 10.1080/11035897.2014.982700OAI: oai:DiVA.org:nrm-1813DiVA, id: diva2:954687
Forskningsfinansiär
Swedish Research Council, VR 2009-4395, 2012-1658Tilgjengelig fra: 2016-08-23 Laget: 2016-08-23 Sist oppdatert: 2017-11-28bibliografisk kontrollert

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