Pseudothelphusidae is a family of freshwater crabs found chiefly in mountain streams in the Neotropics. [2] They are believed to have originated in the Greater Antilles and then crossed to Central America via a Pliocene land bridge. [2] Some species of this family are troglobitic.

Pseudothelphusidae is a family of freshwater crabs found chiefly in mountain streams in the Neotropics. They are believed to have originated in the Greater Antilles and then crossed to Central America via a Pliocene land bridge. Most categories of organisms have "common names" in spoken languages.

The results of the IUCN Red List conservation assessments show that 34% of pseudothelphusids and 10% of trichodactylids have an elevated risk of extinction, 29% of pseudothelphusids and 75% of trichodactylids are not at-risk (Least Concern), and although none are actually extinct, 56% of pseudothelphusids and 17% of trichodactylids are too poorl...

Pseudothelphusidae is a well diversified group of Neotropical freshwater crabs currently compris­ ing 40 genera and at least 255 species and subspecies. The biology of these crabs has been an active field of research in the last 20 years.

Pseudothelphusa is a genus of crabs in the family Pseudothelphusidae, containing the following species: [1][2]

a Rican river crabs of the family Pseudothelphusidae are reviewed and their gonopods described. Two sub families are recognized in the family Pseudothelphusidae; the new . ubfami ly Epilobocerinae. for Epilobocera, an. Pseudothelphusinae for the remaining four genera. Epilobocera fuhrmanni is a Pseudothelphtt.

The genus Tehuana Rodríguez & Smalley in Smalley, 1970, comprises eight species of freshwater crabs of the family Pseudothelphusidae, which are distributed throughout the oriental slope of the states of Veracruz, Oaxaca, and Chiapas, Mexico (Fig. 1).

In the present study, 21.5% of pseudothelphusid species were found to be threatened with extinction due to the effects of deforestation, water pollution, and dam construction.

1 day ago · Pseudothelphusidae Ortmann, 1893 is the family with the largest number of species among the neotropical freshwater Brachyura, but descriptions of juvenile forms in freshwater crabs are still rare.

May 1, 2024 · Among the family Pseudothelphusidae Ortmann, 1893, the genus Ptychophallus Smalley, 1964 was recently revised using morphological data and encompassing 14 valid species, which are distributed exclusively in Costa Rica and Panama.