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Vol.XXII, No.2 >

Lower Devonian Crinoid Pernerocrinus from the Southern Kitakami Mountains, N.E. Japan

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/36754

Title: Lower Devonian Crinoid Pernerocrinus from the Southern Kitakami Mountains, N.E. Japan
Authors: Minoura, Nachio Browse this author
Issue Date: Aug-1987
Publisher: 北海道大学
Journal Title: 北海道大学理学部紀要
Journal Title(alt): Jounal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy
Volume: 22
Issue: 2
Start Page: 337
End Page: 355
Abstract: Three species of Crotalocrinitidae crinoids, Pernerocrinus hayasaki (Minato and Minoura), P. per-foratus sp. nov. and P. sp. are described. All these species came from the lower part of the Ohno Formation (Lower Devonian) of the southern Kitakami Mountains. The first species was previously describcd as a tabulate coral, Ohnopora hayasakai gen. et sp. nov., belonging to the family Syringolitidae. Robust construction of the Pernerocrinus is interpreted to be especially well adapted to reef environment and its occurrence is strictly confined, at present, to the Lower Devonian.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/36754
Appears in Collections:Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy > Vol.XXII, No.2

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