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Birchsella
Taxonomy
Birchsella was named by Clarke (1987) [Sepkoski's age data: P Guad-u]. Its type is Birchsella spinosa.
It was assigned to Spiriferida by Sepkoski (2002); and to Glendoniinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Glendoniinae by Williams et al. (2006).
Species
B. spinosa (type species)
Synonymy list
Year | Name and author |
---|---|
1987 | Birchsella Clarke |
2002 | Birchsella Sepkoski |
2006 | Birchsella Williams et al. p. 1763 |
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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.
Diagnosis
No diagnoses are available