Order Lepidostei Huxley (lobe-finned fish)
Parent taxon: Crossopterygii according to O. Jaekel 1911
Sister taxa: Achoania, Actinistia, Actinistia, Akinetia, Dipnomorpha, Dipnotetrapodomorpha, Guiyu, Lepidosireniformes, Ligulalepis, Onychodontia, Onychodontida, Osteolepidida, Psarolepis, Ptyctolepis, Rhipidistia, Rhizodontida, Tetrapoda, Amii, Belonostomi, Osteolepidae, Taxistia, Heterocerci, Haplistia, Saurodipterini, Cyclolepidi, Platysomi, Belonorhynchi, Eugnathi, Polypterini
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Lepidostei in the database