Two new subspecies of Phacops rana [Trilobita] from the Middle Devonian of North-West Africa
Burton, Christopher (Christopher J.) Eldredge, Niles
Article
1974
Palaeontology
17
349--363
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/165119