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Cravenoceras arcticum
Taxonomy
Cravenoceras arcticum was named by Librovitch (1938).
Synonymy list
Year | Name and author |
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1938 | Cravenoceras arcticum Librovitch p. 60 figs. Pl 1, figs 4-6; pl 2, figs 1-6; text-figs 3-5 |
1971 | Cravenoceras arcticum Ruzhentsev and Bogoslovskaya p. 261 figs. Pl 25, figs 5,6; text-fig 60a,b |
1990 | Cravenoceras arcticum Kuzina and Yatskov p. 57 figs. Pl 4, figs 5,6; text-fig 5a,b |
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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.
†Cravenoceras arcticum Librovitch 1938
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Diagnosis
No diagnoses are available