Description
Bivalve shell without styles , but with 2 horns , one on each valve at aboral hinge , lenticular, with keel (Figs . 4 ,5)
Type species
Figures
No linked figures.
Raw text
Bivalve shell without styles , but with 2 horns , one on each valve at aboral hinge , lenticular, with keel (Figs . 4 ,5)