ID 52165
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On Periploma mitsuganoense Araki (Bivalvia: Mollusca) from the Miocene Bihoku Group in Niimi City, Okayama Prefecture, southwest Japan ―with special reference to it’s paleogeographic significance―
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Author
Taguchci, Eiji
Kishimoto, Shingo
Abstract
In this paper, we deal with re-description of Periploma mitsuganoense Araki and it’s morphological variation and significance of the molluscan fauna of it from the Miocene Bihoku Group in Niimi City, Okayama Prefecture, Southwest Japan. Moreover, the paleogeographic significance of this species is analyzed. The obtained results are summarized as follows: 1. The morphological variation of Periploma mitsuganoense Araki has a wide range on the basis of the analysis of the morphological outline. 2. The occurrence of P. mitsuganoense Araki from the Pectinid fauna is the first record in the West Setouchi Geological Province. 3. It is presumable that P. mitsuganoense Araki is an endemic species in the First Setouchi Geological Province from a view point of it’s spatial distribution.
Keywords
Periploma mitsuganoense Araki
Mollusca
Miocene
Bihoku Group
morphological variation
paleogeographic significance
Publication Title
Okayama University Earth Science Report
Published Date
2013-12-27
Volume
volume20
Issue
issue1
Publisher
岡山大学理学部地球科学教室
Publisher Alternative
Department of Earth Sciences, Faculty of Science, Okayama University
Start Page
7
End Page
11
ISSN
1340-7414
NCID
AN10506284
Content Type
Departmental Bulletin Paper
OAI-PMH Set
岡山大学
language
日本語
Copyright Holders
© 2013 by Okayama University Earth Science Reports Editorial Committee All Rights Reserved
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publisher
Refereed
False
NAID
Eprints Journal Name
esr