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Biarmeaspira arizonensis
Taxonomy
Worthenia arizonensis was named by Winters (1963). Its type specimen is AMNH 28005/3:1, a shell, and it is a 3D body fossil. Its type locality is Cibecue Road, Locality 4, which is in a Kungurian shallow subtidal limestone in the Supai Formation of Arizona.
It was recombined as Biarmeaspira arizonensis by Mazaev (2017).
It was recombined as Biarmeaspira arizonensis by Mazaev (2017).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1963 | Worthenia arizonensis Winters p. 35 figs. Pl 2, figs 5a-7 |
1969 | Worthenia arizonica Bachman and Meyers |
1989 | Worthenia arizonensis Batten p. 51 figs. Pl 10, figs 6-8 |
2017 | Biarmeaspira arizonensis Mazaev p. 231 |
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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.
†Biarmeaspira arizonensis Winters 1963
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Diagnosis
No diagnoses are available