Columbia subject headings:
Harvard subject headings:
Mollusks, Fossil--Middle Atlantic States.
Mollusks, Fossil--South Atlantic States.
Paleontology, Stratigraphic.
Paleontology--Miocene
Princeton subject headings:
Mollusks, Fossil--Atlantic Coast (Middle Atlantic States).
Paleontology--Atlantic Coast (Middle Atlantic States).
Paleontology--Miocene.