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Platythelphusa
Genus of crabs / From Wikipedia, the free encyclopedia
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Platythelphusa is a genus of freshwater crabs endemic to Lake Tanganyika. It has been placed in a number of families, including a monotypic family, Platythelphusidae, as well as Potamidae and its current position in the Potamonautidae, and has also been treated as a subgenus of Potamonautes. It forms a monophyletic group, possibly nested within the genus Potamonautes, which would therefore be paraphyletic.[1] The genus is the only evolutionary radiation of crabs to have occurred in a freshwater lake, and it occurred recently, probably since the Pliocene.[2] This parallels the better known radiation of cichlid fishes in Lake Tanganyika.[3] Only one other species of freshwater crab is found in Lake Tanganyika, Potamonautes platynotus.[2]
Platythelphusa | |
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Platythelphusa armata | |
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Genus: | Platythelphusa A. Milne-Edwards, 1887 |
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Platythelphusa armata A. Milne-Edwards, 1887 | |
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