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Tmaegophioceras
Taxonomy
Tmaegophioceras is a genus. It is not extant. Its type is Arietites laevis.
It was synonymized subjectively with Paltechioceras by Bremer (1965).
It was assigned to Ammonoidea by Sepkoski (2002); to Echioceratidae by Geczy and Meister (2007); and to Asteroceratinae by Howarth (2013).
It was synonymized subjectively with Paltechioceras by Bremer (1965).
It was assigned to Ammonoidea by Sepkoski (2002); to Echioceratidae by Geczy and Meister (2007); and to Asteroceratinae by Howarth (2013).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Tmaegophioceras Sepkoski |
| 2007 | Tmaegophioceras Geczy and Meister |
| 2013 | Tmaegophioceras Howarth p. 25 |
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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