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Hypasteroceras
Taxonomy
Hypasteroceras was named by Spath (1923).
It was assigned to Ammonoidea by Spath (1926); and to Hypasteroceratinae by Howarth (2013).
It was assigned to Ammonoidea by Spath (1926); and to Hypasteroceratinae by Howarth (2013).
Species
Synonyms
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Synonymy list
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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. †Hypasteroceras Spath 1923
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†Hypasteroceras montii De Stefani 1877
†Hypasteroceras planulatum Fucini 1903
Invalid names: Asaphoceras [synonym], Cancelliceras Venturi and Nannarone 2002 [synonym], Oxydiscoceras Venturi and Nannarone 2003 [synonym]
Diagnosis
No diagnoses are available