Subfamily Speocarcininae Stevcic 2005 (stone crab)
Malacostraca - Decapoda - Xanthidae
Parent taxon: Xanthidae according to C. E. Schweitzer et al. 2021
See also Schweitzer et al. 2010
Sister taxa: Actaeinae, Antrocarcininae, Chlorodiellinae, Cymoinae, Etisinae, Euxanthinae, Garthiellinae, Glyptoxanthinae, Kraussiinae, Liomerinae, Polydectinae, Xanthinae, Xanthopsis, Zalasiinae, Zosiminae
Subtaxa: Speocarcinus
Type: Speocarcinus
Ecology: infaunal carnivore
Distribution:
• Quaternary of United States (2: California, South Carolina collections)
• Eocene of Italy (2)
Total: 4 collections each including a single occurrence