Pinnocaris

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Pinnocaris Temporal range: Ordovician PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	†Rostroconchia
Order:	†
Genus:	†Pinnocaris Etheridge, 1878

Pinnocaris is a genus of rostroconch mollusc known from the Cambro-Ordovician.^[1] It was once considered as a possible ancestor to the scaphopods, but this no longer seems tenable.^[1] Original descriptions from material in southern Scotland had the organism as a bivalved arthropod, but its univalved disposition has since become clear.^[1]

References[]

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