Cooke, C. W. 1961. Cenozoic and Cretaceous echinoids from Trinidad and Venezuela. Smithsonian Miscellaneous Collections 142, 1-35.
169074
Cooke, C. W.
1961
Cenozoic and Cretaceous echinoids from Trinidad and Venezuela
Smithsonian Miscellaneous Collections
142: 1-35
Publication
from Kier & Lawson (1978)
Systematic descriptions are given of seven early Cretaceous species (including one new species and one new subspecies), Paleocene Phymosoma trinitensis n.sp., middle Eocene Fibularia farallonensis n.sp., seven late Eocene species, 14 Miocene species (incl