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Prionocyclus
Taxonomy
Prionocyclus was named by Meek (1876) [Sepkoski's age data: K Turo-u].
It was assigned to Collignoniceratidae by Kennedy and Cobban (1988); to Collignoniceratinae by Kennedy et al. (2001); and to Ammonoidea by Sepkoski (2002).
It was assigned to Collignoniceratidae by Kennedy and Cobban (1988); to Collignoniceratinae by Kennedy et al. (2001); and to Ammonoidea by Sepkoski (2002).
Synonyms
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Synonymy list
Year | Name and author |
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1876 | Prionocyclus Meek |
1947 | Germariceras Breistroffer |
1988 | Prionocyclus Kennedy and Cobban p. 606 |
1996 | Germariceras Wright et al. p. 186 |
2001 | Prionocyclus Kennedy et al. p. 81 |
2002 | Germariceras Sepkoski |
2002 | Prionocyclus 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. †Prionocyclus Meek 1876
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†Prionocyclus albinus Fritsch 1872
†Prionocyclus bosquensis Kennedy 1988
†Prionocyclus branneri Anderson 1902
†Prionocyclus californicus Anderson 1958
†Prionocyclus hyatti Stanton 1894
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Invalid names: Pseudaspidoceras eaglensis Adkins 1928 [synonym]
†Prionocyclus macombi Meek 1876
†Prionocyclus novimexicanus Marcou 1858
†Prionocyclus pluricostatus Kennedy et al. 2001
†Prionocyclus quadratus Cobban 1953
†Prionocyclus wyomingensis Meek 1876
Invalid names: Germariceras Breistroffer 1947 [synonym]
Diagnosis
No diagnoses are available