Decanet name details
Potamocarcinus (Megathelphusa) Smalley, 1964
450429 (urn:lsid:marinespecies.org:taxname:450429)
unaccepted > junior subjective synonym
Subgenus
- Species Potamocarcinus (Megathelphusa) magnus (Rathbun, 1896) accepted as Potamocarcinus magnus (Rathbun, 1896) (unaccepted > superseded combination)
- Species Potamocarcinus (Megathelphusa) nicaraguensis Rathbun, 1893 accepted as Potamocarcinus nicaraguensis Rathbun, 1893 (unaccepted > superseded combination)
- Species Potamocarcinus (Megathelphusa) richmondi (Rathbun, 1893) accepted as Potamocarcinus richmondi (Rathbun, 1893) (unaccepted > superseded combination)
recent only
(of Pseudothelphusa (Megathelphusa) Smalley, 1964) 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. Potamocarcinus (Megathelphusa) Smalley, 1964. Accessed at: https://decanet.info/aphia.php?p=taxdetails&id=450429 on 2025-09-12
Date
action
by
original description
(of Pseudothelphusa (Megathelphusa) Smalley, 1964) 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