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Ermoceras
Taxonomy
Ermoceras was named by Douvillé (1916) [Sepkoski's age data: J Bajo-u].
It was assigned to Stephanoceratidae by Arkell (1952) and Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was assigned to Stephanoceratidae by Arkell (1952) and Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Ermoceras Douvillé p. 17 |
| 1952 | Ermoceras Arkell p. 272 |
| 1957 | Ermoceras Arkell et al. p. 290 |
| 2002 | Ermoceras 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. †Ermoceras Douvillé 1916
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†Ermoceras deserti Douvillé 1916
†Ermoceras inerme Douvillé 1916
Diagnosis
No diagnoses are available