岡山大学 地球科学研究報告
Published by Okayama University Earth Science Reports Editorial Committee

岡山市北部の舞鶴帯から産出した二枚貝・巻貝化石

Nakazawa, Keiji
Roger Lyman Batten
Uwada, Hideto
Abstract
Permian and Triassic molluscan fossils are found from Mitsu-area, Okayama City, Southwest Japan. Permian bivalve and gastropod fossils are collected from mudstones of the Upper Formation of the Maizuru Group. 4 species of bivalves (Nuculopsis? sp. ind., Leptodesma sp. ind., Streblopteria cf. eichwaldi, Posidonia sp. ind.) and 5 species of gastropods (Worthenia cf. corrugata, Callitomaria n. sp. cf. stanislavi, Apachella n. sp. ind., ??Eunemopsis like trochid, ??Yunnania sp.) are identified. Lower Triassic bivalve fossils are collected from sandstones of the Oono Formation. Neoschizodus cf. laevigatus and Bakevellia (Maizuria) kambei are identified.
Keywords
Permian
Triassic
bivalve and gastropod fossils
the Maizuru Zone
Mitsu area
ISSN
1340-7414
NCID
AN10506284
NAID