Malacostraca - Decapoda - Chasmocarcinidae
Parent taxon: Goneplacoidea according to C. E. Schweitzer et al. 2022
See also Karasawa and Schweitzer 2006, Luque et al. 2017 and Schweitzer et al. 2010
Sister taxa: Acidopsidae, Carinocarcinoididae, Conleyidae, Euryplacidae, Goneplacidae, Litocheiridae, Magyarcarcinidae, Martinocarcinidae, Mathildellidae, Progeryonidae, Scalopidiidae, Vultocinidae
Subtaxa: Chasmocarcininae Megaesthesiinae Trogloplacinae
Type: Chasmocarcinus
Ecology: epifaunal carnivore
Distribution:
• Miocene of Brunei Darussalam (1 collection), Chile (1), Malaysia (1), Venezuela (1)
• Oligocene of Japan (10)
• Eocene of Antarctica (4), Barbados (1), Italy (1), Pakistan (2), Spain (1), the United Kingdom (2)
• Paleogene of Belgium (1)
Total: 26 collections each including a single occurrence