Suborder Amioidei (bowfin)
Parent taxon: Amiiformes according to J. S. Nelson et al. 2016
See also Applegate 1970, Case and Schwimmer 1988, Casier 1966 and Hay 1902
Sister taxa: Ainia, Amiidae, Amioidea, Caturidae, Caturoidea, Eusemius, Ionoscopus, Oligopleura, Otomitla, Palaeolabridae
Subtaxa: Liodesmidae
Ecology: nektobenthic carnivore-piscivore
Distribution: found only at SDSM V931, Mile 175 (Jurassic of Wyoming)