A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America
Author
Magalhães, Célio
Author
Lara, Luis Rólier
Author
Wehrtmann, Ingo S.
text
Zootaxa
2010
2604
52
60
journal article
10.5281/zenodo.197643
23f5722f-6012-4147-bf57-7bf32cc2d900
1175-5326
197643
Allacanthos
Smalley, 1964a
Diagnosis
(modified from
Smalley 1964b
). Gonopod straight, apex folded, spermatic channel emerging on cephalic side, with proximal trianguliform lobe on lateral side. Marginal suture on mesial side, straight along most of stem. Subdistal portion of lateral and cephalic sides with field of minute spines. Distal part with large cephalic lobe and narrow lateral lobe. Field of apical spines weakly developed on internal surface of lateral lobe.
Type
species.
Allacanthus pittieri
Rathbun, 1898
(by original designation).