Alternative spelling: Palaeopalaeomonida
Parent taxon: Decapoda according to T. A. Hegna et al. 2020
See also Feldmann and Schweitzer 2019
Sister taxa: Amazighopsidae, Brachyura, Carcinocarcinus, Carcinoplacidae, Chiiengphoherus, Corellicarcinus, Cyclodorippoida, Dalletastacus, Dendrobranchiata, Galathea lupiae, Glabropilumus, Hecia, Heterochelida, Imocaris, Ischnodactylus dentatus, Leucosidae, Mascarananda, Mitrax, Natantia, Nephropsidae, Palaxius, Parafavreina, Pleocyemata, Psammograpsus, Tetrachelus, Trichopaltarion
Subtaxa: Palaeopalaemonidae Palaeopalaemonoidea
Ecology: epifaunal carnivore
Distribution:
• Quaternary of the Bahamas (1 collection)
• Cretaceous of Romania (2)
• Jurassic of Croatia (1), Cuba (1), France (1), Slovenia (2), Somalia (1), the United Kingdom (3)
• Triassic of Italy (3)
• Devonian of United States (4: Ohio)
Total: 19 collections including 20 occurrences