Title
Systematics of Lower and Lower Middle Devonian species of the trilobite Phacops Emmrich in North America. Bulletin of the AMNH ; v. 151, article 4
By
Type
Book
Publication info
1973
Language
English
Systematics of Lower and Lower Middle Devonian species of the trilobite Phacops Emmrich in North America. Bulletin of the AMNH ; v. 151, article 4
