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1 September 2005 Procambarus (Ortmannicus) hidalgoensis (Crustacea: Decapoda: Cambaridae), a new species of crayfish from Mexico
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Abstract

A new species of crayfish from Camino a Olotla, Tlanchinol County, Hidalgo, Mexico, is described. Procambarus (Ortmannicus) hidalgoensis is most closely related to P. (O.) cuevachicae (Hobbs, 1941) and P. (O.) toltecae Hobbs, 1943, from which it can be distinguished by having a gonopod with a mesial process slightly flattened distally and directed caudodistally; a cephalic process slightly larger than the rest of the terminal elements, originating on the caudal surface; and a plate-like caudal process, exhibiting a strongly folded external part of the pleopod. The annulus ventralis in the new species is rhomboidal, with two strong crests, forming a deep V-shaped depression anteriorly, ending in a sinus in the middle region.

Marilú López-Mejía, Fernando Alvarez, and Luis M. Mejía-Ortíz "Procambarus (Ortmannicus) hidalgoensis (Crustacea: Decapoda: Cambaridae), a new species of crayfish from Mexico," Proceedings of the Biological Society of Washington 118(3), 558-565, (1 September 2005). https://doi.org/10.2988/0006-324X(2005)118[558:POHCDC]2.0.CO;2
Published: 1 September 2005
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