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Hypopsia
Taxonomy
Hypopsia was named by Cooper and Grant (1974) [Sepkoski's age data: P Asse Sepkoski's reference number: 7]. Its type is Hypopsia versuta.
It was assigned to Orthotetellidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Orthotetellidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
H. versuta (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Hypopsia Cooper and Grant pp. 272-273 |
| 2000 | Hypopsia Williams et al. p. 657 |
| 2002 | Hypopsia 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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 10.7 | - | - | - | - | |
| valve height | 8 | 7.43 | 2.00 | 16.0 | 8.80 | 4.66 |
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||