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Eutrephoceras johnsoni
Taxonomy
Eutrephoceras johnsoni was named by Miller (1947) [DISTRIBUTION: Paleocene; Gulf Coastal Plain.]. Its type specimen is USNM 129552, a shell, and it is not a trace fossil. Its type locality is Prairie Creek, which is in a Danian coastal siliciclastic in the Clayton Formation of Alabama.
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Eutrephoceras johnsoni Miller p. 32 figs. pl. 18, figs. 1-2 |
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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.
†Eutrephoceras johnsoni Miller 1947
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 35.0 | |||||
| shell diameter | 1 | 55.0 | |||||
| shell inflation | 1 | 12.0 |
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2003, Hendy et al. 2009, Kiessling 2004 | |||||