Pastinachus
Pastinachus is a genus of stingrays in the family Dasyatidae. This genus was long held to be monotypic, containing only the cowtail stingray (P. sephen). Recent studies of Indo-Pacific stingrays have revealed that there are in fact a number of different species of Pastinachus, and that some former junior synonyms may need to be resurrected.[1]
| Pastinachus | |
|---|---|
 | |
| Cowtail stingray (P. sephen) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Superorder: | Batoidea |
| Order: | Myliobatiformes |
| Family: | Dasyatidae |
| Subfamily: | Hypolophinae |
| Genus: | Pastinachus Rüppell, 1829 |
| Type species | |
| Raja sephen Forsskål, 1775 | |
| Synonyms | |
Species
- Pastinachus ater (W. J. Macleay, 1883) (Broad cowtail stingray)
- Pastinachus gracilicaudus Last & Manjaji-Matsumoto, 2010 (Narrow cowtail stingray)
- Pastinachus sephen (Forsskål, 1775) (Cowtail stingray)
- Pastinachus solocirostris Last, Manjaji & Yearsley, 2005 (Roughnose cowtail stingray)
- Pastinachus stellurostris Last, Fahmi & Naylor, 2010 (Starrynose cowtail stingray)
Phylogeny
Combining the molecular genetic relationship analysis of the NADH2 DNA, which was used to assign Pastinachus stellurostris,[2] and the analysis of the COI gene, which was used to evaluate P. gracilicaudus accordingly,[3] results in approximately the following cladogram for the genus:
References
- Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Pastinachus in FishBase. February 2011 version.
- Last, P.R.; Manjaji, B.M. & Yearsley, G.K. (2005). "Pastinachus solocirostris sp. nov., a new species of Stingray (Elasmobranchii: Myliobatiformes) from the Indo–Malay Archipelago". Zootaxa. 1040: 1–16.
- Peter R. Last, Fahmi, Gavin J. P Naylor: Pastinachus stellurostris sp. nov., a new stingray (Elasmobranchii, Myliobatiformes) from Indonesian Borneo. In: P. R. Last, W. T. White, J. J. Pogonoski (Hrsg.): Descriptions of new sharks and rays from Borneo. CSIRO Marine and Atmospheric Research Paper no. 32; S. 129–140, 2010
- Peter R. Last, B. Mabel Manjaji-Matsumoto: Description of a new stingray, Pastinachus gracilicaudus sp. nov. (Elasmobranchii, Myliobatiformes), based on material from the Indo-Malay Archipelago. In: P. R. Last, W. T. White, J. J. Pogonoski (Hrsg.): Descriptions of new sharks and rays from Borneo. CSIRO Marine and Atmospheric Research Paper no. 32; S. 115–128, 2010
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