Potamocarcinus, H. Milne Edwards, 1853
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publication ID |
https://doi.org/ 10.1111/j.1096-3642.2009.00606.x |
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persistent identifier |
https://treatment.plazi.org/id/038087A4-3628-3C68-FBB7-7A9AB98BFC43 |
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treatment provided by |
Valdenar |
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scientific name |
Potamocarcinus |
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The two species of Potamocarcinus clearly segregate into a different clade (node 3). One of the most important differences between the Potamocarcinini and the Pseudothelphusini is represented by the absence in the former of a caudo-marginal projection (character 48). The branch to which the two species of Potamocarcinus are connected (node 4) is supported by four synapomorphies that complement the separation between Potamocarcinini and Pseudothelphusini : the lateral suture of the gonopod free along all its length (character 42); the marginal plate independent from caudal surface (character 45); the distal end of the marginal plate overreaching the tip of the gonopod (character 46); and the absence of a caudo-marginal distal margin (character 47).
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