Allacanthos Smalley, 1964

Magalhães, Célio, Wehrtmann, Ingo S., Lara, Luis Rólier & Mantelatto, Fernando L., 2015, Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae), Zootaxa 3905 (3), pp. 301-344 : 326

publication ID

https://doi.org/ 10.5281/zenodo.235127

publication LSID

lsid:zoobank.org:pub:4DA803F1-30C6-4FC3-8EEF-9690A89822A6

DOI

https://doi.org/10.5281/zenodo.5491534

persistent identifier

https://treatment.plazi.org/id/710D87BB-290F-1611-D6BD-FC56FE2BFA67

treatment provided by

Plazi

scientific name

Allacanthos Smalley, 1964
status

 

Allacanthos Smalley, 1964 View in CoL

Pseudothelphusa (Allacanthos) Smalley, 1964b: 8

Type species. Allacanthos pittieri ( Rathbun, 1896) [by original designation].

Diagnosis. Exognath of third maxilliped between 0.6 to 0.7 times the length of endognath ischium. G1 straight, spermatic channel emerging on cephalic side; subdistal portion of mesio-cephalic, lateral sides with field of minute spines; marginal suture on mesial side, straight along most of stem; marginal process simple, short; distal part with large mesial lobe, narrow lateral lobe; field of apical spines weakly developed on internal surface of lateral lobe.

Distribution. The species of this genus are distributed in southeastern Costa Rica and western Panama, Pacific drainage.

Remarks. The relationships with other pseudothephusid genera, inferred by the G1 morphology, were discussed by Rodriguez (1982).

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Pseudothelphusidae

Loc

Allacanthos Smalley, 1964

Magalhães, Célio, Wehrtmann, Ingo S., Lara, Luis Rólier & Mantelatto, Fernando L. 2015
2015
Loc

Pseudothelphusa (Allacanthos)

Smalley 1964: 8
1964
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