Olme
| Olme | ||||||||||||
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Grotto olm ( Proteus anguinus ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Proteidae | ||||||||||||
| JE Gray , 1825 |
The Olme (Proteidae) are a family of salamanders . All olms are completely aquatic , have only one simply built lung, and retain two larval gill slits, outer gills, and a neotene , larva-like shape throughout their lives .
There are two genera that occur in North America ( Necturus ) and in Europe ( Proteus ):
- Genus Necturus Rafinesque, 1819 - Furchenmolche
- Species Necturus alabamensis Viosca, 1937
- Art Necturus beyeri Viosca, 1937
- Art Necturus lewisi Brimley, 1924
- Species Necturus maculosus (Rafinesque, 1818) - Spotted furrowed newt
- Species Necturus punctatus (Gibbes, 1850)
- Genus Proteus Laurenti, 1768
- Species Proteus anguinus (Laurenti, 1768) - Grotto olm
Fossils of Necturus from the Paleocene was found in North America. Proteus is known from the Pleistocene of Germany. In addition, two fossil genera from the Miocene are known, Orthophyia from Germany and Mioproteus from the Caucasus .
literature
- Hans-Eckard Gruner, Horst Füller, Kurt Günther: Urania Tierreich. Fish, amphibians, reptiles. Urania-Verlag, Leipzig 1991, ISBN 3-332-00491-3 .
Web links
- Proteidae (Gray, 1825) Mudpuppies, Waterdogs, & the Olm livingunderworld
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See also: Systematics of Amphibians , with references to the amphibian taxonomy used here. |