. Bulletins of American paleontology. . all x5 Text-figure 44.—Lepicythara polygona (Gabb). PRI 28654. Spec- imen figured by Maury (1917, pi. 9, p. 130). Rio Mao, Bluff 3 of Maury. Dominican Republic. Cercado Formation. Height mm, width mm. 1, front view; 2, rear view: 3, from right side. riblets. The first riblets are faint, but gradually become more conspicuous. At the same time their shape is changing from opisthocyrt in the beginning to opistho- cline toward the end of the protoconch. In the inter- spaces of the last axial riblets there are four (rarely five) equally spaced flat,
. Bulletins of American paleontology. . all x5 Text-figure 44.—Lepicythara polygona (Gabb). PRI 28654. Spec- imen figured by Maury (1917, pi. 9, p. 130). Rio Mao, Bluff 3 of Maury. Dominican Republic. Cercado Formation. Height mm, width mm. 1, front view; 2, rear view: 3, from right side. riblets. The first riblets are faint, but gradually become more conspicuous. At the same time their shape is changing from opisthocyrt in the beginning to opistho- cline toward the end of the protoconch. In the inter- spaces of the last axial riblets there are four (rarely five) equally spaced flat, spiral ridges, which do not cross the axial riblets. Apex not pointed. Number of teleoconch whorls up to five, their profile almost straight to convex on early spire whorls, slightly con- vex on late spire whorls. The first one to two teleo- conch whorls mav be somewhat carinated near the ab-. 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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Keywords: ., bookauthorpaleonto, bookcentury1800, bookdecade1890, bookyear1895
