Pages
p.1
Cardiomopha de Koninch vetusta, Hall, Pal. of N.Y. Vol. 1p.154 pl. 34 fig. 8
Lubrhomboidae, gibbous, abruptly rounded anterioly, sloping abruptly, from the posterior cardinal extremity; umbones much elevated, nearly over the anterior extremity; surface marked by strong concentric ridge, with small depressions of equal width between.
L10 H 11.6
p.2
Lower Silurian-Trenton Limestone
Middleville, Herkimer Co. N.Y.
p.2
Carboniferous Limestone
Windsor, Nova Scotia
Also in Europe (Belgium)
Genus Cardita
Pic 3/0513
Genus Cardita Brugnieres
DeKay. Nat Hist N.Y. p. 204
Shell equivalve thick, inequilateral suborbicular, ribbed; hinge with a short strong erect tooth under the beaks, and an oblong elongated one along the margin.
allied to Cardium.