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Carinaropsis carinatus
Taxonomy
Carinaropsis carinatus was named by Hall (1847). Its type specimen is AMNH 779/1, a shell, and it is a 3D body fossil. Its type locality is Middleville. Dark Compact Limestone Layer, which is in a Katian carbonate limestone in the Denley Formation of New York. It is the type species of Carinaropsis.
It was corrected as Carinaropsis carinata by Knight (1941), Knight et al. (1960) and Wagner (2023).
It was corrected as Carinaropsis carinata by Knight (1941), Knight et al. (1960) and Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Carinaropsis carinatus Hall p. 183 |
| 1941 | Carinaropsis carinata Knight pp. 67 - 68 figs. Plate 14, figures 5a-b |
| 1960 | Carinaropsis carinata Knight et al. p. 180 |
| 2023 | Carinaropsis carinata Wagner p. 3953 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Carinaropsis carinatus Hall 1847
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Knight 1941 | Rather small, seemingly phaneromphalous, subspiral to cyrtiform gastropods with very small spire, large body whorl, expanded aperture, and with an anterior notch giving rise to a crest or carina seemingly carrying a selenizone; whorl profile rather strongly subangular at the mid-line of the dorsum, very gently convex over the sides, gently concave close to the laterally flaring apertural margin; nucleus unknown; aperture flaring very moderately at the sides, not at all anteriorly, quite strongly posteriorly, the small spire projecting slightly beyond the posterior flare; the characters within the aperture unknown; outer lip with a seemingly broad sinus culminating dorsally in a seemingly short notch which presumably gives rise to a narrow selenizone at the crest of a small, sharp carina, the margin of the lip leaving the crest of the carina with rather strong forward obliquity which turns roundly backward with strong forward convexity; ornamentation seemingly faint lines of growth alone, shell thin, its structure unknown. The holotype has a length o f about 16 mm. and a width of 19 mm. |