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Ptychtothyris baylei
Taxonomy
Ptychtothyris baylei was named by Cooper (1983).
Synonyms
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Synonymy list
Year | Name and author |
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1878 | Terebratula helena Bayle figs. Pl 7, fig 3 |
1983 | Ptychtothyris baylei Cooper p. 143 |
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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.
†Ptychtothyris baylei Cooper 1983
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Invalid names: Terebratula helena Bayle 1878 [replaced]
Diagnosis
No diagnoses are available