. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. Fig. 100. Cardiola retrostriata. From the Genesee slate, enlarged to four diameters (from Hall I. broad, fiat, rounded plications, with very narrow inter- spaces; arching lamellose concentric stria?. Found in the lower gray Naples shales and Goniatite layer, at Sections 1 to 4 (common): also in the Strophalosia bed, on the Lake Shore (one fragment of a large specimen ). Gems CYPRICARDINIA. Hall. [Ety. : Resembling the genus Ci/printrfJia.] (1859 : Pal. N. Y., Vol. III., text, p. 266.) S
. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. Fig. 100. Cardiola retrostriata. From the Genesee slate, enlarged to four diameters (from Hall I. broad, fiat, rounded plications, with very narrow inter- spaces; arching lamellose concentric stria?. Found in the lower gray Naples shales and Goniatite layer, at Sections 1 to 4 (common): also in the Strophalosia bed, on the Lake Shore (one fragment of a large specimen ). Gems CYPRICARDINIA. Hall. [Ety. : Resembling the genus Ci/printrfJia.] (1859 : Pal. N. Y., Vol. III., text, p. 266.) Shells with unequal valves, the right valve more convex. Outline varying from obovate to trapezoidal, with a short rounded anterior end and a wider obliquely truncate poste- rior end. Sub-anterior incurved beaks; straight or arcuate cardinal line, which arises from the beak ; external ligament; one long lateral tooth; concentric lamellose undulations and finer stria-, and in some specimens radiating stria3, charac- terize this genus. Cypricardinia indenta. (Conrad.) (Fig. 191.) (Pal. X. Vol. Pt. I., p. 485, PI. LXXIX.) Distinguishing I 'haracters.— Slightly sinuate basal margin; straight cardinal line; distinct cincture on right valve, less. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Buffalo Society of Natural Sciences. Buffalo, N. Y. : The Society
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