Tags: Crustacean.
Speocarcinus is a genus of crabs in the family Xanthidae containing six extant species and one fossil species from the Late Miocene:Speocarcinus carolinensis Stimpson 1859Speocarcinus granulimanus Rathbun 1894Speocarcinus lobatus Guinot 1969Speocarcinus meloi D’Incao & Gomes da Silva 1992Speocarcinus monotuberculatus Falder & Rabalais 1986Speocarcinus spinicarpus Guinot 1969† Speocarcinus berglundi Tucker et al. 1994↑ ↑ ↑