Suborder Gammaridea Latrielle 1803 (amphipod)
Parent taxon: Amphipoda according to H. K. Brooks et al. 1969
Sister taxa: Acanthogammaridae, Anthracocaridacea, Caprellidea, Corophiidae, Hyperiidea, Ingolfiellidea, Pontogammaridae, Senticaudata
Subtaxa: Gammaridae
Ecology: epifaunal omnivore
Distribution: found only at Arroyo Naranjo, La Habana (Miocene to Miocene of Cuba)