ammonites
Interchlamys jacobiana Cooke 1919

Alternative combinations: Aequipecten jacobianus, Pecten (Aequipecten) jacobianus

Full reference: C. W. Cooke. 1919. Tertiary mollusks from the Leeward Islands and Cuba. Contributions to the geology and paleontology of the West Indies. Carnegie Institution of Washington 105-156

Belongs to Interchlamys according to T. R. Waller 2011

Sister taxon: Interchlamys interlineata

Type specimen: USNM 167115, a shell

Average measurements (in mm): shell 29.0 x 27.5