Hinnites crassa Conrad, 1857
CONRAD, T. A. 1857. Report on the paleontology of the Survey [Parque's Survey]. In: Reports of explorations and surveys railroad from the Mississippi River to the Pacific Ocean. Senate Executive Document, 78 and House of Representatives Executive Document, 91, vol. 7: 189-196, pls. 1-10. (Reprinted in Dall 1909: 180-185) [p.190, pl. 1 (err. typ. for plate 2), figs. 1, 2]
«HINNITES CRASSA (pl. 1, figs. 1 and 2).— Ovate or subovate, thick, irregular, with large, rounded, unequal, radiating, irregular ribs, squamose, and with foliated spines on the lower part of the valves or near the base; intervals of the ribs with three or four squamose, prominent lines; hinge profoundly thickened; fosset profoundly excavated, angular; muscular impression very large.
Locality.— Santa Margarita, Salinas Valley. This species is remarkable for the thickness of the hinge and the upper part of the valves in old specimens. It resembles the recent California species H. gigantea Gray; and it probably attains a larger size than the latter.» TIMOTHY ABBOT CONRAD, 1857
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T. A. Conrad, 1857, Plate 2.
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