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Vorticifex stewartensis
Taxonomy
Vorticifex stewartensis was named by Firby (1966). Its type specimen is UCMP 37875, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Vorticifex stewartensis Firby p. 464 figs. 1, 5, 9 |
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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.
†Vorticifex stewartensis Firby 1966
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. R. Firby 1966 | Shell ultradextral; whorls 4 to 4^2, rapidly increasing in size, flatly convex; sculpture of strong axial ribs; body whorl with rounded shoulder, flattened sides obscurely angulate at base; body whorl does not descend; spire depressed approximately one-sixth total shell height; sutures deep, impressed; aperture roundly sub-quadrate; umbilicus wide, one-half diameter of shell, deep, funicular, showing preceding whorls. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Collections
No collection or age range data are available