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