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Tretoceras
Taxonomy
Tretoceras was named by Salter (1958) [Sepkoski's age data: O Llvi].
It was assigned to Orthocerida by Teichert et al. (1964) and Sepkoski (2002).
It was assigned to Orthocerida by Teichert et al. (1964) and Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Tretoceras Salter p. 179 |
| 1964 | Tretoceras Teichert et al. p. K260 |
| 2002 | Tretoceras Sepkoski |
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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.
G. †Tretoceras Salter 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||