Alternative spelling: Semionotiform
Full reference: C. Arambourg and L. Bertin. 1958. Super-ordres des holostéens et des halecostomes (Holostei et Halecostomi) [Superorders of holosteans and halecostomes (Holostei et Halecostomi)]. Traité de Zoologie: Anatomie, Systématique, Biologie. Agnathes et Poissons: Anatomie, Éthologie, Systématique. Masson et Compagnie, Paris 13(3):2173-2203
Parent taxon: Ginglymodi according to A. López-Arbarello et al. 2019
See also Arambourg and Bertin 1958, Arratia 2015, Bürgin 2004, Case and Schwimmer 1988, Delsate et al. 2002, Goodwin et al. 1999, Heckert 2004, Lombardo and Tintori 2008, Long 2011, López-Arbarello 2012, López-Arbarello and Codorniú 2007, López-Arbarello et al. 2011, Nelson et al. 2016, Sepkoski 2002, Thies and Herzog 1999, Thies and Turner 2001, Thurmond and Jones 1981 and Tintori 1996
Sister taxa: Dapediiformes, Kyphosichthyiformes, Lepisosteiformes, Macrosemiiformes, Neosemionotus
Subtaxa: Alleiolepis Allelepidotus Aphelolepis Austrolepidotus Callipurbeckiidae Callopteus Corunegenys Enigmatichthys Heterostrophus Lophionotus Macrosemiidae Orthurus Pericentrophorus Plesiolepidotus Prionopleurus Semionotidae Semionotoidei Serrolepis Sinosemionotus Sphathiurus Tungusichthyidae
Ecology: nektonic durophage-carnivore