Stralopecten rogersii (Conrad, 1834)
CONRAD, T. A. 1834. Observations on the Tertiary and more recent formations of a portion of the Southern States. Appendix. Descriptions of new Tertiary Fossils from the Southern States. Journal of the Academy of Natural Sciences of Philadelphia, 7 (1): 116-157. [p. 151]
1834 Pecten rogersii Conrad, 1834
Pecten rogersii; T. A. Conrad, 1840, Fossils of the Medial Tertiary of The United States, plate 21, figure 9.
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«P. Rogersii. Shell ovate, compressed, with four very large and broad convex ribs and numerous radiating lines; ears small. Length and height, one inch and one-eighth.
Locality. James river, Va. It is with pleasure I dedicate this remarkable species to my friend Henry D. Rogers, the able geologist.» TIMOTHY ABBOT CONRAD, 1834
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«Description.— Conrad's original description:
Shell ovate, compressed, with four very large and broad convex ribs and numerous radiating lines; ears small. HoIotype is a right valve. Shell small, translucent; foot broad almost flat-topped primary ribs, which at the ventral margin are nearly twice the width of the slightly rounded interspaces. Both ribs and interspaces marked by closely spaced, fine, scabrous threads. Marginally the scales become more prominent. Submargins narrow, steep, scabrous, without radials. Left auricle small with fine, densely scaly radial threads. Right auricle lacking. Ctenolium of four fairly coarse denticles. Internally there are four broadly rounded ribs. Dimensions.— Holotype; height 27, width 25 mm. Hypotype, height 10, width 7 mm. Localities.— James River, near Smithfield, Va. (type), [Conrad]; Murfreesboro Landing on Meherrin River, N. C. Horizons.— Choptank, and Yorktown (Miocene). Holotype.— Academy of Natural Sciences of Philadelphia, Cat. No. 12581» TUCKER-ROWLAND, H. I. 1936. The Atlantic and Gulf Coast Tertiary Pectinidae of the United States. II. Systematica descriptions. The American Midland Naturalist, 17: 985-1017, pls. 5-10 [Under H. I. Rowland]. [p. 1008]
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Chlamys (Chlamys) rogersi (Conrad). James River, near Smithfield, Va. Holotype; H. I. Tucker-Rowland, 1936, The Atlantic and Gulf Coast Tertiary Pectinidae, plate 8, figure 10.
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