Decanet name details
Pseudothelphusa (Achlidon) Smalley, 1964
450455 (urn:lsid:marinespecies.org:taxname:450455)
unaccepted (status change)
Subgenus
Pseudothelphusa agrestis Rathbun, 1898 accepted as Achlidon agrestis (Rathbun, 1898) (type by original designation)
Smalley, A.E. (1964). The river crabs of Costa Rica, and the subfamilies of the Pseudothelphusidae. <em>Tulane Studies in Zoology.</em> 12(1): 5-13. [details] Available for editors 

DecaNet eds. (2025). DecaNet. Pseudothelphusa (Achlidon) Smalley, 1964. Accessed at: https://www.decanet.info/aphia.php?p=taxdetails&id=450455 on 2025-09-12
original description
Smalley, A.E. (1964). The river crabs of Costa Rica, and the subfamilies of the Pseudothelphusidae. <em>Tulane Studies in Zoology.</em> 12(1): 5-13. [details] Available for editors 
