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Trettinoceras
Taxonomy
Trettinoceras was named by Nassichuk (1975) [Sepkoski's age data: C Mosc , C Step Sepkoski's reference number: 302]. Its type is Trettinoceras ellesmerensis.
It was assigned to Goniatitida by Sepkoski (2002); to Gastrioceratidae by Korn (2006); and to Schistoceratidae by Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); to Gastrioceratidae by Korn (2006); and to Schistoceratidae by Furnish et al. (2009).
Species
T. ellesmerensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Trettinoceras Nassichuk p. 136 |
| 2002 | Trettinoceras Sepkoski |
| 2006 | Trettinoceras Korn |
| 2009 | Trettinoceras Furnish et al. p. 112 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||