| Helmolepis Temporal range:
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|---|---|
Scientific classification
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | † Platysiagiformes |
| Family: | † Platysiagidae |
| Genus: | †
Helmolepis Stensiö, 1932 |
| Type species | |
|
†Helmolepis gracilis Stensiö, 1932
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| Other species | |
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Helmolepis is an extinct genus of ray-finned fish that lived during the Early Triassic epoch in what is now Greenland, Madagascar and Canada ( British Columbia). [1] [2] [3] [4] Species of Helmolepis are small (between 5 centimetres (0.16 ft) and 8 centimetres (0.26 ft)). This genus is closely related with Platysiagum.
See also
References
- ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2008-04-30. Retrieved 2009-02-27.
- ^ Nybelin, Orvar (1977). "Studies on Triassic fishes from East Greenland III. On Helmolepis gracilis Stensiö". Meddelelser om Grønland. 200: 1–13.
- ^ Mutter, Raoul J. (2005). "Re-assessment of the genus Helmolepis Stensiö 1932 (Actinopterygii: Platysiagidae) and the evolution of Platysiagids in the Early-Middle Triassic". Eclogae Geologicae Helvetiae. 98 (2): 271–280. doi: 10.1007/s00015-005-1164-7. S2CID 128906380.
- ^ Neuman, Andrew G.; Mutter, Raoul J. (2005). "Helmolepis cyphognathus, sp. nov., a new platysiagid actinopterygian from the Lower Triassic Sulphur Mountain Formation (British Columbia, Canada)". Canadian Journal of Earth Sciences. 42 (1): 25–36. Bibcode: 2005CaJES..42...25N. doi: 10.1139/e04-096.
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