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†Prionocyclus quadratus Cobban 1954
urn:lsid:organismnames.com:name:2843440
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†Prionocyclus quadratus Cobban 1954
Cobban 1954. A new species of Prionocyclus from Upper Cretaceous Carlile shale. Journal of Paleontology, 27(3) 1954: 353-355