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Theganoceras
Taxonomy
Theganoceras was named by Whitehouse (1926) [Sepkoski's age data: K Apti-u].
It was assigned to Aconeceratinae by Arkell et al. (1957); to Ammonitida by Collins (1980); and to Ammonoidea by Sepkoski (2002).
It was assigned to Aconeceratinae by Arkell et al. (1957); to Ammonitida by Collins (1980); and to Ammonoidea by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Theganoceras Whitehouse |
| 1957 | Theganoceras Arkell et al. p. 286 |
| 1980 | Theganeceras Collins p. 21 |
| 2002 | Theganoceras 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. †Theganoceras Whitehouse 1926
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Diagnosis
No diagnoses are available