Decanet name details
Pseudothelphusa (Ptychophallus) Smalley, 1964
450459 (urn:lsid:marinespecies.org:taxname:450459)
unaccepted > superseded rank
Subgenus
Pseudothelphusa tristani Rathbun, 1896 accepted as Ptychophallus tristani (Rathbun, 1896) (type by original designation)
- Species Pseudothelphusa (Ptychophallus) botti Smalley, 1965 accepted as Camptophallus botti (Smalley, 1965) (unaccepted > superseded combination)
- Species Pseudothelphusa (Ptychophallus) paraxantusi Bott, 1968 accepted as Ptychophallus paraxantusi (Bott, 1968) (unaccepted > superseded combination)
recent only
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 (Ptychophallus) Smalley, 1964. Accessed at: https://decanet.info/aphia.php?p=taxdetails&id=450459 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