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Review of the Devonian camerate crinoid Bogotacrinus scheibei Schmidt from Colombia

Published online by Cambridge University Press:  14 July 2015

George C. Mcintosh
George C. Mcintosh*
Affiliation:
Rochester Museum and Science Center, 657 East Avenue, Rochester, New York 14603
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Abstract

Two recently collected specimens of Bogotacrinus scheibei Schmidt, 1937, from the Devonian (Emsian–Eifelian) Floresta Formation of Colombia reveal that Bogotacrinus is a dicyclic camerate crinoid genus closely related to Pterinocrinus Goldring, 1923 (Lower–Upper Devonian of eastern North America and western Europe), and Ampurocrinus McIntosh, 1981 (Lower Devonian of Bolivia). The new diplobathrid camerate crinoid family Pterinocrinidae, characterized by species with low conical dicyclic cups and rami composed of compound, bipinnulate brachials, is herein proposed to accommodate these three genera. This family originated in western Europe and migrated into the Malvinokaffric and southern Eastern Americas Realms during the Early Devonian and into the northeastern Appalachian Basin by the Late Devonian.

Type
Research Article
Information
Journal of Paleontology , Volume 61 , Issue 4 , July 1987 , pp. 750 - 757
Copyright
Copyright © The Paleontological Society 

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