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Biconvexiella
Taxonomy
Biconvexiella was named by Waterhouse (1983) [Sepkoski's age data: P Sepkoski's reference number: 881].
It was assigned to Spiriferida by Sepkoski (2002); and to Ambocoeliinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Ambocoeliinae by Williams et al. (2006).
Species
Synonymy list
Year | Name and author |
---|---|
1983 | Biconvexiella Waterhouse p. 154 |
2002 | Biconvexiella Sepkoski |
2006 | Biconvexiella Williams et al. p. 1733 |
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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. †Biconvexiella Waterhouse 1983
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†Biconvexiella convexa Armstrong 1968
†Biconvexiella roxoi Oliveira 1936
Diagnosis
No diagnoses are available