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Bulimorpha bulimiformis
Taxonomy
Bulimella bulimiformis was named by Hall (1858). Its type specimen is AMNH 5188, a shell, and it is a 3D body fossil. Its type locality is Hunter Valley Quarries, 3 miles northwest of Bloomington, which is in a Meramecian carbonate limestone in the Salem Formation of Indiana. It is the type species of Bulimorpha, Bulimella, Bullimorpha, Bulimella.
It was recombined as Bulimorpha bulimiformis by Whitfield (1882), Knight (1941), Tassell (1982), Nützel et al. (2000) and Wagner (2023).
It was recombined as Bulimorpha bulimiformis by Whitfield (1882), Knight (1941), Tassell (1982), Nützel et al. (2000) and Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Bulimella bulimiformis Hall p. 29 |
| 1882 | Bulimorpha bulimiformis Whitfield p. 74 |
| 1941 | Bulimorpha bulimiformis Knight pp. 62 - 63 figs. pl. 94 f. 1a-d |
| 1982 | Bulimorpha bulimiformis Tassell p. 41 |
| 2000 | Bulimorpha bulimiformis Nützel et al. p. 583 figs. f. 5.10-5.12 |
| 2023 | Bulimorpha bulimiformis Wagner p. 1437 |
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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.
†Bulimorpha bulimiformis Hall 1858
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Knight 1941 | Rather small, moderately high-spired, anomphalous gastropods with a small siphonal notch and a single siphonal fold far forward (down) on the columella; whorl profile moderately arched between sutures, gently arched on the final whorl; sutures rather shallow; nucleus simple, dextral, not sharply demarked; base slender, extended, anomphalous; columellar lip arcuate, with a small siphonal notch and a single inconspicuous fold very low on the columella; parietal inductura seemingly wanting or at least not visible from without; outer lip convex forward and drawn well back at the upper suture; ornamentation wanting; shell thin, its structure unknown. The holotype measures about 13 mm. in height allowing for breakage, 4.5 mm. in width, and has a pleural angle of about 28 degrees. |