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

Carduim decoratum, Grewingk Herhandlungen p 347 pl 4 fig 3.

Testa suborbiculari, radiatim costata, costis 28-30 rotundata applanatus, glabris, interstitiis planis, latitudine costas fere aequantibus inter separatis, transversim concentrice 7 incrementiperiodis regularibus (lege symmetriae) interruptis, intus striato; margine crenulato, cardinis dentibus obsoletis.

L. 1.5 H. 1.6 D 1.0

Tertiary N.W. (Russian) coast

Cardium Diversum, Conrad, Proc. Ac. Nat Sc. vol 3 p 292

Trigonal, ventricose, subequilateral, thin, with concentric lines and more approximate fine, but obtuse radiating lines; umbonial slope rounded, and the posterior space from the umbonial slope with profound radiating striae; posterior side slightly waved or contracted; summits very prominent; basal margin rounded in the middle, contracted posteriorly; posterior extremity subtruncated; inner margin densely crenate. L. 1.3 - H 1.2

Eocene Tertiary Vicksburg Miss

Cardium elegantulum, Roemer, Texas p. 405.

Testa 1" lata, 9" alta, 6" crassa, ovata, transversa, convexa, postice subcaudata, compressa; lineis elevatis, radiantibus, confertis, subgranulosis, parum distinctis; umbonibus submedianis.

Cretaceous

New Braunfels, Texas.