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Hydropessum
Taxonomy
Hydropessum was named by Broom (1913) [Sepkoski's age data: Tr l]. Its type is Hydropessum kannemeyeri.
It was assigned to Perleidiformes by Sepkoski (2002); and to Cleithrolepidae by López-Arbarello and Zavattieri (2008).
It was assigned to Perleidiformes by Sepkoski (2002); and to Cleithrolepidae by López-Arbarello and Zavattieri (2008).
Species
H. kannemeyeri (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Hydropessum Broom p. 266 |
| 2002 | Hydropessum Sepkoski |
| 2008 | Hydropessum López-Arbarello and Zavattieri pp. 1047, 1052 |
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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
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Kiessling 2004 | |||||
Age range: Late/Upper Triassic or 237.00000 to 201.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Triassic | South Africa (Free State) | H. kannemeyeri (220878) |