白亜紀二枚貝Sphenoceramus(イノセラムス科)の殻彫刻の変異

Variation of the external shell sculpture in three species of Late Cretaceous inoceramid bivalve Sphenoceramus [S. naumanni (YOKOYAMA), S. orientalis (SOKOLOW) and S. schmidti (MICHAEL)] from the Upper Yezo Group in northern Hokkaido were studied ontogenetically. Three growth stages β, γ, and δ, cha...

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Bibliographic Details
Format: e - Departmental Bulletin Paper
Published in:静岡大学地球科学研究報告 26 1-15
Main Authors: 松田, 昌之, 生形, 貴男
Language:Japanese
Published: 静岡大学地球科学教室 2017-12-14
Subjects:
Online Access:http://hdl.handle.net/10297/360