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Eccyliomphalus intortus
Taxonomy
Ecculiomphalus intortus was named by Billings (1861). It is a 3D body fossil.
It was recombined as Eccyliomphalus intortus by Ulrich and Scofield (1897), Wagner (2023).
It was recombined as Eccyliomphalus intortus by Ulrich and Scofield (1897), Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1861 | Ecculiomphalus intortus Billings pp. 320 - 321 fig. 5 |
| 1897 | Eccyliomphalus intortus Ulrich and Scofield p. 1023 |
| 2023 | Eccyliomphalus intortus Wagner p. 4161 |
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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.
†Eccyliomphalus intortus Billings 1861
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Billings 1861 | This species consists of a simple conical tube, so coiled as to make two whorls within a circle of one inch and a half in diameter. At the aperture the cross section of the tube is nearly circular, and five lines in diameter in a specimen which measures one inch and a half across the whole coil. The inner or apical whorl is usually about half an inch across. The remainder being not so sharply curved, completes only a second whorl at a diameter of one inch and a half. Most of the specimens that I have seen consist of only one whorl and a half, but we have some imperfect ones of two whorls. In the casts of the interior an obtuse carination is sometimes seen on one side. The surface of the shell appears to be smooth, but owing to the peculiar state of preservation of these fossils, this point cannot yet be determined with certainty. |
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Kiessling 2004, Wagner 2023 | |||||
Collections
No collection or age range data are available