†subfamily Periacanthinae Lorenthey 1929 (spider crab)
Malacostraca - Decapoda - Epialtidae
Alternative spelling: Periacanthidae
Parent taxon: Epialtidae according to C. E. Schweitzer et al. 2020
Sister taxa: Epialtinae, Pisinae, Pliosomatinae, Taliepus, Tychinae
Subtaxa: Periacanthus
Type: Periacanthus
Ecology: epifaunal carnivore
Distribution:
• Eocene of Hungary (1 collection), Italy (6), Spain (2), the United Kingdom (1)
Total: 10 collections each including a single occurrence