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Spondylotreta
Taxonomy
Spondylotreta was named by Cooper (1956). Its type is Spondylotreta concentrica.
It was assigned to Acrotretinae by Wright (1963) and Holmer (1989); to Acrotretidae by Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
It was assigned to Acrotretinae by Wright (1963) and Holmer (1989); to Acrotretidae by Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Spondylotreta Cooper |
| 1963 | Spondylotreta Wright |
| 1989 | Spondylotreta Holmer |
| 2000 | Spondylotreta Williams et al. p. 121 |
| 2002 | Spondylotreta 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. †Spondylotreta Cooper 1956
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†Spondylotreta concentrica Cooper 1956
†Spondylotreta maior Bednarczyk and Biernat 1978
†Spondylotreta orsaensis Holmer 1989
†Spondylotreta parva Wright 1963
†Spondylotreta parva orientalis Popov 1980
Diagnosis
No diagnoses are available