Setatella significans, a new name for mickwitziid stem group brachiopods from the lower Cambrian of Greenland and Labrador

Setatella significans gen. et sp. nov. from the Lower Cambrian of North-East Greenland, originally described under the name ‘Mickwitzia cf. occidens’, is introduced as a probable stem group brachiopod. Newly collected specimens of Setatella significans from the Forteau Formation of southern Labrador...

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Bibliographic Details
Published in:GFF
Main Authors: Skovsted, Christian, Streng, Michael, Knight, I., Holmer, Lars
Format: Article in Journal/Newspaper
Language:English
Published: Paleobiologi 2010
Subjects:
Brachiopoda
Mickwitzia
shell penetrating setae
lower Cambrian
Greenland
Labrador
Earth and Related Environmental Sciences
Geovetenskap och miljövetenskap
Forteau
East Greenland
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-135074
https://doi.org/10.1080/11035897.2010.490878
Description
Summary:Setatella significans gen. et sp. nov. from the Lower Cambrian of North-East Greenland, originally described under the name ‘Mickwitzia cf. occidens’, is introduced as a probable stem group brachiopod. Newly collected specimens of Setatella significans from the Forteau Formation of southern Labrador exhibit new morphological details and provide a better understanding of its ontogeny. Setatella significans differs from species of Mickwitzia in having a ventral pseudointerarea and hemiperipheral growth in both valves. Setatella significans probably belongs to the derived stem group of the Linguliformea that can be differentiated from the more primitive Mickwitzia. The geographic range of Setatella is extended to southern Labrador.

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