Decanet name details
Pseudothelphusa (Megathelphusa) Smalley, 1964
1384810 (urn:lsid:marinespecies.org:taxname:1384810)
unaccepted > junior subjective synonym
Subgenus
Pseudothelphusa magnus Rathbun, 1896 accepted as Potamocarcinus magnus (Rathbun, 1896) (type by original designation)
fresh
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 (Megathelphusa) Smalley, 1964. Accessed at: https://www.decanet.info/aphia.php?p=taxdetails&id=1384810 on 2025-09-13
Date
action
by
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