Crassispira guayana explained
Crassispira guayana is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.[1] Fossils have been found in Pliocene and Pleistocene strata in Ecuador; age range: 5.332 to 2.588 Ma.
References
- H. A. Pilsbry and A.A. Olsson. 1941. A Pliocene fauna from Western Ecuador. Proceedings of the Natural Sciences of Philadelphia 93:1-79
Notes and References
- http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=92451 Fossilworks: Crassispira guayana