Knight J.B. (1945). Some new genera of the Bellerophontacea. <em>Journal of Paleontology.</em> 19(40: 333-340. page(s): 334 [details] Available for editors [request]
original descriptionKnight J.B. (1945). Some new genera of the Bellerophontacea. <em>Journal of Paleontology.</em> 19(40: 333-340. page(s): 334 [details] Available for editors [request]
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