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Exotornoceras
Cephalopoda - Goniatitida - Posttornoceratidae
Taxonomy
Exotornoceras was named by Becker (1993) [Sepkoski's age data: D Fame-l D Fame-m Sepkoski's reference number: 1042]. It is not extant. Its type is Gephyroceras superstes.
It was assigned to Goniatitida by Sepkoski (2002); and to Posttornoceratinae by Korn and Klug (2002) and Korn (2006).
It was assigned to Goniatitida by Sepkoski (2002); and to Posttornoceratinae by Korn and Klug (2002) and Korn (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Exotornoceras Becker |
| 2002 | Exotornoceras Korn and Klug p. 168 |
| 2002 | Exotornoceras Sepkoski, Jr. |
| 2006 | Exotornoceras Korn |
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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