Portunus is a genus of crabs which includes several important species for fisheries, such as the blue swimming crab and the Gazami crab. Other species, such as the three-spotted crab are caught as bycatch.
Pinnotheres is a genus of crabs, including the pea crab. Many species formerly in Pinnotheres have been placed in new genera, such as Zaops ostreus, the oyster crab and Nepinnotheres novaezelandiae, the New Zealand pea crab. The species currently recognised in the genus Pinnotheres are:
Austruca perplexa is a species of fiddler crab. It is found from the Ryukyu Islands, Japan to India, throughout the Malay Archipelago, along eastern Australian coasts from Queensland to New South Wales, and in various Pacific islands, including Fiji, Tonga and Vanuatu.
Hyas is a genus of oregoniid crabs comprising five extant species:
Macropodia is a genus of crabs, belonging to the family Inachidae. It contains the following species:
Epilobocera is a genus of crabs in the family Epiloboceridae. It is the only genus in its family; this taxonomic arrangement follows the revision of the family Pseudothelphusidae by Álvarez and colleagues.
Helice is a genus of crabs, containing four species:
Naxia is a genus of crabs in the family Majidae, containing the following species:
The Panopeidae are a family containing 26 genera of morphologically similar crabs, often known as "mud crabs". Their centers of diversity are the Atlantic Ocean and eastern Pacific Ocean.
Achaeus is a genus of crabs comprising the following species:
Hyastenus is a genus of crabs in the family Epialtidae, subfamily Pisinae, containing the following extant species:
Leucosia is a genus of crabs in the family Leucosiidae, containing the following extant species:
Eurytium is a genus of crab in the family Panopeidae, containing the following four species:
Ebalia is a genus of crab in the family Leucosiidae.
Anasimus is a genus of crab in the family Inachoididae, containing two species:
Pyromaia is a genus of crab in the family Inachoididae, containing the following species:
Microphrys is a genus of crab in the family Majidae, containing the following species:.
Platymaia is a genus of crab in the family Inachidae, containing the following species:
Tunicotheres is a monotypic genus of crabs in the family Pinnotheridae, and Tunicotheres moseri is the only species in the genus. This crab lives commensally in the atrial chamber of a small ascidian. It is found in the tropical western Atlantic Ocean, the Caribbean Sea and the Gulf of Mexico.
Platepistoma is a genus of crabs.
