Perleidiformes

Perleidiformes are an extinct order of prehistoric ray-finned fish from the Triassic period Although numerous Triassic taxa have been referred to Perleidiformes, which ones should be included for it to form a monophyletic group is a matter of ongoing scientific debate. thumb|Chaohuperleidus primus, one of the earliest perleidids

==Classification== Genus † Saurichthyes Family †Cleithrolepididae Wade 1935 corrig. [Cleithrolepidae Wade 1935; Hydropessidae Hutchinson 1973] Genus †Hydropessum Broom 1909 Genus †Cleithrolepidina Berg 1955 Genus †Cleithrolepis Egerton 1864 Genus †Dipteronotus Egerton 1864 Suborder †Cephaloxenoidei Lehman 1966 Family †Cephaloxenidae Brough 1939 Genus †Cephaloxenus Brough 1939 Suborder †Perleidoidei Family †Platysiagidae Brough 1939 sensu Neuman & Mutter 2005 Genus †Caelatichthys Lombardo 2002 Genus †Helmolepis Stensiö 1932 Genus †Platysiagum Egerton 1872 Family †Polzbergiidae Griffin 1977 Genus †Luopingichthys Sun et al. 2009 Genus †Serrolepis Quenstedt 1852 ex Dames 1888 Genus †Ctenognathichthys Burgin 1992 Genus †Stoppania Lombardo, Rusconi & Tintori 2008 Genus †Polzbergia Griffith 1977 Genus †Felberia Lombardo & Tintori 2004 Family †Gabanellidae Tintori & Lombardo 1996 Genus †Gabanellia Tintori & Lombardo 1996 Family †Aetheodontidae Brough 1939 Genus †Aetheodontus Brough 1939 Family †Colobodontidae Andersson 1916 [Asterodontidae Jordan 1923] Genus †Albertonia Gardiner 1966 Genus †Boreichthys Selezneva 1982 Genus †Cenchrodus von Meyer 1847 Genus †Chrotichthys Wade 1940 Genus †Crenilepis Dames 1888 [Crenilepoides Strand 1929] Genus †Dollopterus Abel 1906 [Dolichopterus Compter 1891 non Hall 1859 non Murray 1870] Genus †Engycolobodus Oertle 1927 Genus †Hemilopas von Meyer 1847 Genus †Manlietta Wade 1935 Genus †Meidiichthys Borough 1931 Genus †Meridensia Stensiö 1916 Genus †Nephrotus Meyer 1849 [Omphalodus Meyer 1847; Eupleurodus Gürich, 1884] Genus †Pristisomus Woodward 1890 Genus †Procheirichthys Wade 1935 Genus †Zeuchthiscus Wade 1940 Genus †Colobodus Agassiz 1844 [Asterodon Münster, 1841] Family †Pseudobeaconiidae López-Arbarello & Zavattieri 2008 Genus †Caminchaia Rusconi 1946a Genus †Echentaia Rusconi 1946 Genus †Pasambaya Rusconi 1946a Genus †Anatoia Rusconi 1946a Genus †Pseudobeaconia Bordas 1944 Family †Perleididae Brough 1931 [Fuyuanperleididae Sun et al. 2012] Genus †Altisolepis Mutter & Herzog 2004 Genus †Alvinia Sytchevskaya 1999 non Monterosato 1884 Genus †Chaohuperleidus Sun et al., 2013 Genus †Daninia Lombardo 2001 Genus †Diandongperleidus Geng et al. 2012 Genus †Endennia Lombardo & Brambillasca 2005 Genus †Fuyuanperleidus Geng et al. 2012 Genus †Luopingperleidus Geng et al. 2012 Genus †Megaperleidus Sytchevskaya 1999 Genus †Mendocinichthys Whitley 1953 [Mendocinia Bordas 1944 non Jensen-Haarup 1920] Genus †Paraperleidus Zhao & Liu 2007 Genus †Peltoperleidus Bürgin et al. 1991 Genus †Plesioperleidus Su & Li 1983 sensu Tong et al. 2006 [Zhangina Liu 2002] Genus †Perleidus De Alessandri 1910 sensu Lombardo et al. 2011