†order Parasemionotiformes Lehmann 1966 (ray-finned fish)
Osteichthyes - Parasemionotiformes
Parent taxon: Halecomorphi according to R. van der Laan 2019
See also Nelson 2006, Nelson et al. 2016 and Tong et al. 2006
Sister taxa: Allolepidotus, Cipactlichthys, Gigantodontidae, Ionoscopiformes, Isopholidae, Ophiopsiformes, Ophiopsiidae, Panxianichthyiformes, Pholidophorus curionii, Pholidophorus oblongus, Pingolepidae, Praesemionotidae, Prosantichthys
Subtaxa: Parasemionotidae
Ecology: planktonic suspension feeder
Distribution:
• Triassic of Austria (1 collection), Canada (3: Alberta, British Columbia), China (3), Greenland (2), India (1), Madagascar (9), the Russian Federation (1), Spain (2), United States (1: Nevada)
Total: 23 collections including 50 occurrences