Pinnocaris

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Pinnocaris
Temporal range: Ordovician
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Rostroconchia
Order: Ribeirioida
Genus: †Pinnocaris
Etheridge, 1878

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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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