Rinetrigonia and Its Allies

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Title ( eng )
Rinetrigonia and Its Allies
Creator
NAKANO Mitsuo
Source Title
Journal of science of the Hiroshima University. Series C, Geology and mineralogy
Volume 7
Issue 2
Start Page 101
End Page 111
Abstract
In this paper, the writer has re-examined and discussed the classification, the complicated phyletic relationships and the mode of life of the Pterotrigoniinae van HOEPEN, 1929 em. KOBAYASHI and NAKANO, 1957 and described and listed a number of species. Metacanthotrigonia nov. typified by Pterotrigonia (Rinetrigonia) yeharai NAKANO and NUMANO is a new subgenus of Acanthotrigonia van HOEPEN, 1929 and is characterized by, having the discrepant ribbing on the anterior and the posterior part of the flank. It is known in the Aptian to the Turonian of Japan and Manghyschlack.
Language
eng
Resource Type departmental bulletin paper
Publisher
HIROSHIMA UNIVERSITY
Date of Issued 1974-06-25
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0075-4374
[NCID] AA00706718