Family Pygidiidae (ray-finned fish)
Osteichthyes - Nematognathii - Pygidiidae
Parent taxon: Nematognathii according to D. S. Jordan 1963
Sister taxa: Ameiuridae, Argidae, Bunocephalidae, Hypophthalmidae, Lepidoglanidae
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Pygidiidae in the database