Abstract
A new species of Phallangothelphusa Pretzmann, 1965, is described from Cesar Department, Colombia, increasing thenumber of species in the genus to four: P. dispar (Zimmer, 1912), P. magdalenensis Campos, 1998, P. juansei Campos,2010, and P. martensis new species. The new species is distinguished from its congeners primarily by the morphology ofthe first male gonopod, specifically the greater curvature of the angle between distal and proximal projections of the mesialprocess, the shape of the distal projection and outline of the apex, and the orientation of the lateral process. An updated key for the identification of the species of Phallangothelphusa is given.References
Campos, M.R. (1998) A new species of freshwater crab of the genus Phallangothelphusa Pretzmann, 1965 from Colombia (Crustacea: Decapoda: Pseudothelphusidae). Proceedings of the Biological Society of Washington, 111, 92–96.
Campos, M.R. (2005) Freshwater crabs from Colombia. A taxonomic and distributional study. Academia Colombiana de Ciencias Exactas Físicas y Naturales. Col. Jorge Alvarez Lleras, 24, 363 pp.
Campos, M.R. (2010) A new species of freshwater crab of the genus Phallangothelphusa Pretzmann, 1965, from Colombia (Crustacea: Decapoda: Pseudothelphusidae), with a key to the species of the genus. Proceedings of the Biological Society of Washington, 123, 27–31.
Rodríguez, G. (1982) Les crabes d'eau douce d'Amérique. Famille des Pseudothelphusidae. Faune Tropicale, 22, 223 pp.
Rodríguez, G. & Campos, M.R. (1989) Cladistic relationship of freshwater crabs of the tribe Strengerianini (Decapoda: Pseudothelphusidae) from the northern Andes, with comments on their biogeography and descriptions of new species. Journal of Crustacean Biology, 9, 141–156.
Smalley, A. (1964) A terminology for the gonopods of the American river crabs. Systematic Zoology, 13, 28–31.
Smithe, F.B. (1975) Naturalist’s color guide. The American Museum of Natural History, New York, Part I: 17 unnumbered pages.