Pilina
Introduction '''''Pilina''''' is an extinct genus of paleozoic monoplacophorans in the family Tryblidiidae.
Species Species in the genus ''Pilina'' include:* ''Pilina acuminatum'' Perner (in Koken & Perner), 1925* ''Pilina cheyennica'' Peel, 1977 - from Ordovician in the Keel Member in Oklahoma* ''Pilina esthonum'' (Koken, 1897) - synonym: ''Triblidium esthonum''* ''Pilina ovoideum'' Perner (in Koken & Perner), 1925* ''Pilina solarium'' (Lindström, 1884) - synonym: ''Palaeacmaea solarium''* ''Pilina unguis'' (Lindström, 1880) - synonym: ''Tryblidium unguis''
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