. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. 2(>(>. ^â M Fio. is;. TeUinopsu sub-emarginata. Two valves, showing variation in size and form (from Hall). Found in the Strophalosia bed, in Avery's Creek, and the shale just above it ( very rare). Genus PHOLADELLA. Hall. [Ety. : Diminutive of the modern genus Pholas.] (1870: Preliminary Notice Lamellibranchiata, 2, p. 63 i Shells with equal inequilateral valves, elongated, varying in outline. Anterior end rounded or obliquely truncate; posterior end truncate. Incurved anterior b
. Bulletin of the Buffalo Society of Natural Sciences. Natural history -- New York (State); Natural history. 2(>(>. ^â M Fio. is;. TeUinopsu sub-emarginata. Two valves, showing variation in size and form (from Hall). Found in the Strophalosia bed, in Avery's Creek, and the shale just above it ( very rare). Genus PHOLADELLA. Hall. [Ety. : Diminutive of the modern genus Pholas.] (1870: Preliminary Notice Lamellibranchiata, 2, p. 63 i Shells with equal inequilateral valves, elongated, varying in outline. Anterior end rounded or obliquely truncate; posterior end truncate. Incurved anterior beaks: straight cardinal line; prominent rounded or sub-angular umbonal slopes; a deep, sharply-defined lunule; a well-marked escutcheon; concentric striae and undulations, and distinct radii, covering all but the anterior and cardinal slopes,â mark this genus. Pholadella radiata. (Conrad.) (Fig. 188.) (Pal. X. V., Vol. V., Pt. I., p. 469, Pis. LXXYIII., XCVI.) Distinguishing Characters.âSmall size; cuneate outline; regularly rounded basal margin; obliquely to vertically Fio. 188. Pholadella radiata. Two right and two left valves (from Hall). truncate posterior end; anterior end obliquely truncate above, by the deep lunule; cincture extending from beak to base; fine concentric striae, and strong radii. Found ten feet below the Encrinal limestone, at Section 7; in the Modiomorpha sub-alata bed, in Idlewood Ravine, and on the Lake 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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