†order Palaeoisopoda (sea spider)
Parent taxon: Pycnogonida according to J. J., Jr. Sepkoski 2002
Sister taxa: Austrodecus, Cambropycnogon, Flagellopantopus, Haliestes, Palaeoisopodidae, Palaeomarachne, Palaeopantopoda, Palaeothea, Pantopoda, Pentapantopus
Subtaxa: none
Ecology: epifaunal carnivore
Distribution: there are no occurrences of Palaeoisopoda in the database