Anadara idonea

Table of Contents

Scientific Classification


Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Arcida
Family: Arcidae
Genus: Anadara
Species: Anadara idonea (Conrad, 1832)

Information

Eastover Formation

St. Marys Formation

Calvert Formation

Plum Point Member

Chattahoochee Formation

References

None at this time.

Remarks

Note that occurrence of species in St. Marys Fm. of Virginia is mapped as “Middle Miocene”; the actual age of the formation, however, cannot be resolved beyond simply “Miocene.”

Original Description:
From Conrad (1832, p. 16): “Cordate, inequivalve, ventricose, and slightly sinuous; ribs about 25, narrow and crenulated; the crenulations most distinct on the larger valve; beaks very prominant and distant; area with undulated grooves; hinge with the series of teeth contracted in the centre, and a little decurved at the ends. Locality. St. Mary’s River, Md. Upper Tertiary.”