Camptonectes argillensis (Conrad, 1860)
CONRAD, T. A. 1860. Descriptions of new Species of Cretaceous and Eocene Fossils of Mississippi and Alabama. Journal of the Academy of Natural Sciences of Philadelphia [2nd Series], 4 (3-8): 275-298, pls. 46, 47. [p. 283, pl. 47, fig. 3]
1860 Pecten argillensis Conrad, 1860
T. A. Conrad, 1860, plate 47.
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«PECTEN ARGILLENSIS. Suborbicular, very thin, compressed; radiated only on the upper part with minute lines; disk covered with closely arranged, fine lamelliform strise, except on the umbo and adjacent parts where they are distant; posterior margin opposite the ear carinated. (Upper valve.)
Locality —Tippah Co., Alabama. Dr. Spillman.» TIMOTHY ABBOT CONRAD, 1860
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«In some respects the Coon Creek representative of this species resembles Pecten virgatus D'Orbigny, [89] from the Cenomanian of France, and Pecten curvatus Geinitz, [90] from the Cenomanian of England and Germany, but differs from both these European forms in having a well-defined concentric sculpture.
Occurrence: Ripley formation, Dave Wet'ks place on Coon Creek, McNairy County, Tenn. Collections: Maryland Geological Survey, New Jersey Geological Survey, U. S. National Museum, Philadelphia Academy of Natural Sciences. Outside distribution: Monmouth formation, Brightseat, Brooks estate near Seat Pleasant, and 1 mile west of Friendly, all in Prince Georges County, Md. Matawan group (Merchantville clay, Woodbury clay, Marshalltown formation, and Wenonah sand), New Jersey. Monmouth group (Navesink marl), New Jersey. (?) Black Creek formation, North Carolina and South Carolina. Eutaw formation (Tombigbee sand member), Exogyra ponderosa zone, Mortoniceras subzone, Lowndes County and (?) Prentiss County, Miss. Ripley formation, Exogyra costata zone, Georgia, Eufaula, Ala., and Chickasaw, Union, and Tippah counties, Miss.; extreme top of Exogyra costata zone, Pataula Creek, Ga., Chattahoochee River, Ala., and Lowndes and Union counties, Miss.» [89] D'Orbigny, Alcide, Paléontologie française, Terrain crétacé. vol. 3, p. 602, pl. 334. figs. 7-10.
[90] Woods, Henry, A monograph of the Cretaceous Lamellibranchia of England. vol. 1, p. 159, pl. 29. fig. 7, pI. 37, flg. 16, Palaeont. Soc. London, 1904. WADE, B. 1926. The fauna of the Ripley formation on Coon Creek, Tennessee. United States Geological Survey Professional Paper, 137: 1-272, pls. 1-72. [p. 62]
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Pecten argillensis Conrad; B. Wade, The fauna of the Ripley formation on Coon Creek, plate 20, figures 8, 9.
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