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Bellerophon deflectus
Taxonomy
Bellerophon deflectus was named by Chronic (1952) [= Bellerophon crassus sensu Girty 1908 p. 479 pls. 16, 19f-g (misidentification of Bellerophon crassus Meek & Worthen 1860)]. Its type specimen is Mus. N. Ariz. G2.472, a shell, and it is a 3D body fossil. Its type locality is Rimmy Jim Tank, Kaibab Formation, Coconino County, which is in a Roadian marine limestone in the Kaibab Formation of Arizona.
It was recombined as Bellerophon (Bellerophon) deflectus by Yochelson (1960).
It was recombined as Bellerophon (Bellerophon) deflectus by Yochelson (1960).
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Bellerophon deflectus Chronic p. 111 figs. Pl 1, figs 2a-5b |
| 1960 | Bellerophon (Bellerophon) deflectus Yochelson p. 263 figs. Pl 51, figs 10,14-17,19-25 |
| 1967 | Bellerophon deflectus Mayou p. 110 figs. Pl 2, figs 13,14,18 |
| 2021 | Bellerophon deflectus Quiroz-Barroso et al. p. 3 figs. 2.1-2.5 |
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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.
†Bellerophon deflectus Chronic 1952
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. L. Yochelson 1960 | Unornamented, large, bellerophontid gastropods having the selenizone on a raised crest and a sub-cardiform apertural opening; shell not rounded in profile, being higher than wide, the upper surface rising gradually to the median crest, raised above the general level of the shell; lateral surfaces flattened, though not set off from the upper surface by an angulation; selenizone convex, located on median crest; slit extremely short, less than 5 per cent of total body-whorl circumference; interior of body with a thick callus, about one-fourth of a whorl within aperture, bending abruptly to a thin callus wash extending to aperture; anterior lips nearly orthocline, curving inward to form a V-shaped sinus near the median crest; lateral lips thickened and reflexed, relatively thicker in juvenile stages, the mature stage bearing umbilical chinks; interior of lateral lips excavated into a shallow circular depression, just within the aperture; color pattern spiral, superficially resembling ornament, consisting of at least 14 alternating light and dark stripes on each side of the median crest, the dark bands interrupted by the more prominent growth lines. |