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Billingsaria
Taxonomy
Billingsaria was named by Okulitch (1936) [Sepkoski's age data: O Llde O Ashg-l]. It is not extant.
It was assigned to Billingsariinae by Hill (1981); to Syringophyllidae by Percival et al. (2001); and to Tabulata by Sepkoski (2002).
It was assigned to Billingsariinae by Hill (1981); to Syringophyllidae by Percival et al. (2001); and to Tabulata by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Billingsaria Okulitch |
| 1981 | Billingsaria Hill |
| 2001 | Billingsaria Percival et al. |
| 2002 | Billingsaria Sepkoski |
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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. †Billingsaria Okulitch 1936
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†Billingsaria parvituba Troedsson 1928
†Billingsaria spissa Percival et al. 2001
Diagnosis
No diagnoses are available