Malacostraca - Decapoda - Leucosiidae
Parent taxon: Leucosioidea according to H. Karasawa et al. 2019
See also Collins et al. 2003, Karasawa 1993, Luque et al. 2017, Rathbun 1918, Rathbun 1926, Schweitzer et al. 2010, Tiwari et al. 1997 and Todd and Collins 2005
Sister taxa: Ampliura, Andorina, Duncanitrix, Folguerolesiidae, Gemmacarcinus, Hepatinulus, Iphiculidae, Matutidae, Nucilobus, Palaeomyra, Pterocarcinus, Typilobus
Subtaxa: Cryptocneminae Ebaliinae Leucosiinae Philyrinae
Type: Leucosia
Ecology: semi-infaunal carnivore
Distribution:
• Quaternary of Costa Rica (1 collection), Italy (11), Jamaica (3), Japan (3), Panama (2), the Philippines (1), United States (12: California, Florida, North Carolina, South Carolina)
• Pliocene to Pleistocene of Costa Rica (1), Italy (2)
• Pliocene of Belgium (2), Costa Rica (6), Italy (5), Jamaica (1), Japan (7), the Netherlands Antilles (1), Panama (7), United States (2: California, North Carolina)
• Miocene to Pliocene of Colombia (1), the Dominican Republic (3), United States (5: North Carolina, Virginia)
• Neogene of Fiji (1)
• Miocene of Brazil (1), Brunei Darussalam (6), Cuba (1), the Dominican Republic (17), Greece (1), Hungary (4), India (2), Indonesia (3), Iran (2), Italy (1), Japan (12), Malaysia (16), Mexico (2), Panama (3), the Philippines (1), Sri Lanka (1), Trinidad and Tobago (1), United States (1: South Carolina), Venezuela (2)
• Oligocene to Miocene of Cuba (1)
• Oligocene of Italy (1), United States (1: Oregon)
• Eocene of Italy (2)
Total: 159 collections including 207 occurrences