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Prionocycloceras
Taxonomy
Prionocycloceras was named by Spath (1926) [Sepkoski's age data: K Turo-l K Coni-l].
It was assigned to Collignoniceratinae by Futakami (1991) and Wright et al. (1996); to Peroniceratinae by Gebhardt (2001); and to Ammonoidea by Sepkoski (2002).
It was assigned to Collignoniceratinae by Futakami (1991) and Wright et al. (1996); to Peroniceratinae by Gebhardt (2001); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Prionocycloceras Spath |
| 1991 | Prionocycloceras Futakami p. 258 |
| 1996 | Prionocycloceras Wright et al. p. 187 |
| 2001 | Prionocycloceras Gebhardt p. 206 |
| 2002 | Prionocycloceras 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. †Prionocycloceras Spath 1926
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†Prionocycloceras carvalhoi Howarth 1966
†Prionocycloceras crenulatum Anderson 1902
†Prionocycloceras matsumotoi Futakami 1991
†Prionocycloceras mediotuberculatum Gerhardt 1897
†Prionocycloceras multicostatum Collignon 1965
†Prionocycloceras obatai Futakami 1991
Diagnosis
No diagnoses are available