. Bulletin - New York State Museum. Science. Hipparionyx minor sharply elevated, increase very rapidly by implantation and on the cardinal slopes curve forward, out and back, in very characteristic manner. Very fine concentric lines are visible in the intervals between the striae. The dorsal valve is highly convex; the beak is not prominent, the convexity is generally uniform with slightly depressed cardinal slopes and sometimes a trace of a median groove. On the interior is a strong bifid cardinal process and a short median septum. Lower Devonic. Edmunds Hill, Chapman Plantation, Me. Orthothe
. Bulletin - New York State Museum. Science. Hipparionyx minor sharply elevated, increase very rapidly by implantation and on the cardinal slopes curve forward, out and back, in very characteristic manner. Very fine concentric lines are visible in the intervals between the striae. The dorsal valve is highly convex; the beak is not prominent, the convexity is generally uniform with slightly depressed cardinal slopes and sometimes a trace of a median groove. On the interior is a strong bifid cardinal process and a short median septum. Lower Devonic. Edmunds Hill, Chapman Plantation, Me. Orthothetes (Schuchertella) woolworthanus Hall mut. gaspensis no v. See Strophomena woolworthana Hall. Pal. N. Y. 1859. 3: p. 192, pi. 17, fig. I, 2 ; and Orthothetes woolworthanus Hall & Clarke. Pal. N. Y. 1892. V. 8, pt I, pi. II, fig. 25-29, 31 It is not easy to discriminate species differentials in members of the genus Schuchertella (Orthothetes). In the forms before us we are presented with a shell which approaches in general aspect. 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 New York State Museum; New York State Museum. Albany : New York State Education Dept
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