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Arietites semicostatus
Taxonomy
Ammonites semicostatus was named by Young and Bird (1828).
It was recombined as Arietites semicostatus by Lee (1984).
It was recombined as Arietites semicostatus by Lee (1984).
Synonymy list
Year | Name and author |
---|---|
1828 | Ammonites semicostatus Young and Bird p. 257 figs. Pl 12, fig 10 |
1984 | Arietites semicostatus Lee figs. Pl 3f,3h |
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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.
†Arietites semicostatus Young and Bird 1828
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Diagnosis
No diagnoses are available