Box 26, Folder 2: Paleontology Notes 7: Acephala 2

Cretaceous Texas

Cardium isocardia

Upper Eocene Tertiary

Tampa Bay, Fla. Charleston S. Car.

Cardium Laqueatum, Jour. Ac. Nat. Sc. vol. 6 p 258; Conrad, Med. Ter. Foss. p 31 pl 17 fig 1

[Typewritten Extract]

[L.38] [H. 3.1]

Medial Tertiary

St. Mary's river; Patuxent river, Md. Petersburgh Va.

Cardium Leptopleura, Conrad, Med. Ter. Fos. p 66 pl. 37 fig. 5

Subtrigonal or suborbicular, ventricose; ribs about 31, prominent, distant, angular, carinated; umbos prominent, summit elevated, distant from the anterior margin; anterior side somewhat produced, extremity rounded, posterior margin slightly curved, oblique; basal margin profoundly, not obliquely rounded; lateral teeth large, very prominent; inner margin profoundly dentate.

L. 2.1 - H 1.9

Medial Tertiary

Calvert Cliffs Md.