River shark
| River shark Temporal range: [1]
| |
|---|---|
| |
| Speartooth shark, Glyphis glyphis | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Carcharhiniformes |
| Family: | Carcharhinidae |
| Genus: | Glyphis Agassiz, 1843 |
| Type species | |
| Carcharias (Prionodon) glyphis Müller & Henle, 1839
| |
Glyphis is a genus in the family Carcharhinidae, commonly known as the river sharks. This genus contains only three species. Further species could easily remain undiscovered, due to the secretive habits of Glyphis sharks.[2] Their precise geographic range is uncertain, but the known species are documented in parts of South and Southeast Asia, New Guinea, and Australia. Of the three currently described species, the Ganges shark is restricted to fresh water, while the northern river shark and the speartooth shark are found in coastal marine waters, as well. The bull shark (Carcharhinus leucas) is sometimes called both the river shark and the Ganges shark; it should not be confused with the river sharks of the genus Glyphis.
Species
The recognized species in this genus are:
- Glyphis gangeticus (J. P. Müller & Henle, 1839) (Ganges shark)
- Glyphis garricki L. J. V. Compagno, W. T. White & Last, 2008 (northern river shark)
- Glyphis glyphis (J. P. Müller & Henle, 1839) (speartooth shark)
- †Glyphis hastalis Agassiz, 1843
- †Glyphis pagoda (Noetling, 1901)
Images
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Ganges shark (G. gangeticus) -
Northern river shark (G. garricki) -
Speartooth shark (G. glyphis)
References
- ^ http://fossilworks.org/bridge.pl?action=taxonInfo&is_real_user=1&taxon_no=80614.
{{cite web}}: Missing or empty|title=(help) - ^ Li, Chenhong; Corrigan, Shannon; Yang, Lei; Straube, Nicolas; Harris, Mark; Hofreiter, Michael; White, William T; Naylor, Gavin J. P (2015). "DNA capture reveals transoceanic gene flow in endangered river sharks". Proceedings of the National Academy of Sciences. 112 (43): 13302–7. doi:10.1073/pnas.1508735112. PMC 4629339. PMID 26460025.
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