New data on internal morphology of exceptionally preserved Nannirhynchia pygmaea (Morris, 1847) from the Lusitanian Basin (Brachiopoda, Early Jurassic, Portugal)

Pyritized internal moulds of articulated shells of the Early Jurassic brachiopod taxon Nannirhynchia pygmaea were found in beds closely below the early Toarcian oceanic anoxic event in the Polymorphum Zone in Portugal. The material allows a detailed study of the outline of the muscle fields, the len...

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Bibliographic Details
Main Authors: M. Schemm-Gregory, M. H. Henriques
Format: Article
Language:English
Published: Pensoft Publishers 2012-08-01
Series:Fossil Record
Online Access:https://fr.pensoft.net/article/30453/download/pdf/