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Bucanopsis carinifera
Taxonomy
Bucanopsis carinifera was named by Ulrich and Scofield (1897) [Ulrich in Ulrich & Scofield 1897]. Its type specimen is USNM 45734, a shell, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Bucanopsis carinifera Ulrich and Scofield p. 925 figs. pl. 62 f. 56-61 |
| 1909 | Bucanopsis carinifera Grabau and Shimer |
| 1941 | Bucanopsis carinifera Knight pp. 60 - 61 figs. Plate 14, figures 3a-d |
| 1944 | Bucanopsis carinifera Knight and Bridge |
| 1960 | Bucanopsis carinifera Knight et al. p. 180 figs. f. 98.1 |
| 1992 | Bucanopsis carinifera Wahlman pp. 163 - 165 figs. pl. 27 f. 1-16 |
| 2023 | Bucanopsis carinifera Wagner p. 226 |
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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.
†Bucanopsis carinifera Ulrich and Scofield 1897
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Knight 1941 | Rather small, narrowly phaneromphalous, spiral gastropods with a marked lateral and posterior flaring o f the aperture, revolving ornamentation, and narrow, V-shaped sinus in the anterior lip culminating in a carina seemingly without a true slit or selenizone; whorl profile gently concave at each side of the median carina, gently convex over the lateral slopes, and rounding rather sharply over umbilical shoulders into the narrow umbilicus; intra-umbilical sutures rather deep; nucleus unknown; apertural margin with little or no flare anteriorly but flaring rather strongly on the postero-lateral and posterior margins and covering the carina of the previous whorl which impresses a strongly angular internal ridge upon it; anterior margin with a rather narrow and relatively deep, V-shaped sinus which culminates on the dorsal carina without a slit or seemingly a selenizone; the carina somewhat variable in form, in some specimens being roundly subangular and in others squarely flat-topped; ornamentation numerous, rather fine, revolving lirae with finer lirae between and lines of growth; the shell moderately thick, its structure unknown. The holotype measured about 13 mm. in diameter, allowing for breakage, and 14 mm. in width across the aperture. |