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Physotreta
Taxonomy
Physotreta was named by Rowell (1966) [Sepkoski's age data: Cm Dres-u O Llde-l Sepkoski's reference number: 910]. It is not extant.
It was assigned to Acrotretinae by Holmer (1989); to Acrotretidae by Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
It was assigned to Acrotretinae by Holmer (1989); to Acrotretidae by Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Physotreta Rowell |
| 1989 | Physotreta Holmer |
| 2000 | Physotreta Williams et al. p. 118 |
| 2002 | Physotreta 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. †Physotreta Rowell 1966
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†Physotreta rugosa Popov 1980
†Physotreta spinosa Walcott 1905
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||