A new skull of the fossil porpoise Numataphocoena yamashitai (Cetacea: Phocoenidae) from the upper part of the Horokaoshirarika Formation (lower Pliocene), Numata Town, Hokkaido, Japan, and its phylogenetic position

Palaeontologia Electronica

Yoshihiro Tanaka¹  Hiroto Ichishima¹ 

关键词: Yoshihiro Tanaka;    Hiroto Ichishima;    skull;    Phocoenidae;    phylogeny;    maxillary terrace;    ontogeny;    intraspecies variation;   

DOI  :  

学科分类：地质学

来源: Palaeontologia Electronica

【 授权许可】

Unknown