Template:Clark, 1907b

• Clark, A.H. 1907. A New Species of Crinoid (Ptilocrinus pinnatus) from the Pacific Coast, with a Note on Bathycrinus. Proceedings of the United States National Museum 32(1547): 551–554. BHL  
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Nomenclatural acts

• Date of publication: 15 June 1907

New names (3)

• Bathycrinus australis
• Ptilocrinus
• Ptilocrinus pinnatus