. Bulletins of American paleontology. New Providence Formation & Coral Ridge Fauna: Conkin 141 GASTROPODS (Jenus BEMBEXIA Oelilert. isss Bembexia elleiiae Conkin. n. sp. PI. 15, figs. 1-14; Text-fig. 2-A Description.—Moderate to large, rounded, dextral shell consisting of probably eight whorls; first 1-1V2 whorls are never preserved; aperture subcircular to subquadrangular and possesses an outer lip with a deep sinus which generates a selenizone on periphery of shell; upper surface of whorl slightly convex and slopes toward upper carina bordering concave seleni- zone ; selenizone is also l
. Bulletins of American paleontology. New Providence Formation & Coral Ridge Fauna: Conkin 141 GASTROPODS (Jenus BEMBEXIA Oelilert. isss Bembexia elleiiae Conkin. n. sp. PI. 15, figs. 1-14; Text-fig. 2-A Description.—Moderate to large, rounded, dextral shell consisting of probably eight whorls; first 1-1V2 whorls are never preserved; aperture subcircular to subquadrangular and possesses an outer lip with a deep sinus which generates a selenizone on periphery of shell; upper surface of whorl slightly convex and slopes toward upper carina bordering concave seleni- zone ; selenizone is also limited by a carina at lower edge; selenizone wide, with growth lines curved apically; areas on each side of selenizone slightly concave, subequal in width to selenizone, and ornamented only by fine growth lines curving apically; whorl suture moderately deep; nucleus not observed but presumedly smooth since the initial part of the third whorl and terminal part of second whorl lack sculpture; columella straight; lip reflected over the rimate umbilicus in better preserved specimens, but in other specimens is missing so that narrow umbilicus (less than 1 mm.) may be seen; inductura not observed. See Table 4 for measurements of Bembexia Text-fig. 2.—Sections of gastropods from Coral Ridge fauna, X 7. A, Bembexia ellenae, n. sp., paratype, U. S. N. M. No. 127328. B, Sinuiuna anneae, n. sp., paratype, U. S. N. M., No. 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 Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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