Saurichthyiformes

Saurichthyiformes Temporal range: Changhsingian-Aalenian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Subclass:	Chondrostei
Order:	†Saurichthyiformes Aldinger, 1937
Families
† †Saurichthyidae

The Triassic †Saurichthys was a highly specialized predator

Costasaurichthys paucitrichus fossil

Saurichthys curionii fossil

Fossil of the Jurassic saurichthyid †Saurorhynchus brevirostris

Morphological comparison of †Saurichthyidae with extant needlefish and flying fish. A. †Sinosaurichthys longipectoralis; B. †Sinosaurichthys longimedialis; C. †Sinosaurichthys minuta; D. †Saurichthys dawaziensis from Middle Triassic of Dawazi Section, Luoping, Yunnan, China (based on Wu et al. 2009). E. Atlantic needlefish Strongylura marina (Family Belonidae). F. Bluntnose flyingfish Prognichthys gibbifrons (Family Exocoetidae). E and F redrawed from images at http://www.fishbase.org/images/species that were originally from Cervigón et al. (1992).

Saurichthyiformes is an extinct order of ray-finned fish which existed in Asia, Africa, Australia, Europe and North America, during the late Permian to early Middle Jurassic.^[1][2][3][4] Saurichthyiiformes comprise two families, Saurichthyidae and Yelangichthyidae. Whereas Yelangichthyidae is monotypic, Saurichthyidae includes at least two genera, Saurorhynchus and the very speciose Saurichthys.^[5] Additionally, the subgenera , Eosaurichthys, , and Sinosaurichthys are frequently used to group species. Saurichthyiforms were highly successful predators, and with Yelangichthys possibly even included durophagous forms. Species are known from both marine end freshwater deposits. They had their highest diversity during the Early and Middle Triassic.^[6]

Systematics[]

• Order †Saurichthyiformes Aldinger, 1937 [Saurichthyida Berg, 1937]^[7][8][9]
  • Family †Saurichthyidae Owen 1860 [Saurichthyoidei Bleeker 1859; Belonorhynchidae Woodward 1888; Saurorhynchidae Jordan, 1905]
    • Genus †Saurichthys Agassiz, 1834 [Belonorhynchus Bronn 1858; Brevisaurichthys Beltan 1972; Giffonus Costa 1862; Gymnosaurichthys Berg 1940; Ichthyorhynchus Bellotti 1857; Stylorhynchus Martin 1873, non Lesson 1847, non Stein 1848; Systolichthys Beltan 1972]
      • †Saurichthys apicalis Agassiz 1834 (type species)
      • †Saurichthys breviabdominalis Maxwell et al. 2015^[10]
      • †Saurichthys curionii (Bellotti 1857)
      • †Saurichthys daubreei Firtion 1934
      • †Saurichthys dawaziensis Wu et al. 2009
      • †Saurichthys dianneae Maxwell et al. 2016
      • †Saurichthys dongusensis Minich 1992
      • †Saurichthys eximius Minikh 1982
      • †Saurichthys gigas (Woodward 1890), non von Quenstedt 1858
      • †Saurichthys gracilis (Woodward 1890)
      • †Saurichthys grignae Tintori 2013
      • †Saurichthys gypsophilus Reis 1892
      • †Saurichthys hamiltoni Stensiö 1925
      • †Saurichthys hoffmanni Werneburg et al. 2014
      • †Saurichthys huanshenensis Chou & Liu 1957
      • †Saurichthys irregularis Oertle 1928
      • †Saurichthys latifrons Eck 1865
      • †Saurichthys lepidosteoides Frech 1903
      • †Saurichthys macrocephalus (Deecke 1889)
      • †Saurichthys majiashanensis Tintori et al. 2014
      • †Saurichthys minimahleri Werneburg et al. 2014
      • †Saurichthys nepalensis Beltan & Janvier 1978
      • †Saurichthys obrutchevi Minich 1981
      • †Saurichthys orientalis Sytchevskaya 1999
      • †Saurichthys parvidens Wade 1935
      • †Saurichthys piveteaui Beltan 1968
      • †Saurichthys proximus Minich 1981
      • †Saurichthys rieppeli Maxwell et al. 2015^[10]
      • †Saurichthys sceltrichensis Renesto et al. 2021^[11]
      • †Saurichthys seefeldensis Kner 1867
      • †Saurichthys spinosa Wu et al. 2018 ^[12]
      • †Saurichthys stensioi Lehman 1952
      • †Saurichthys tenuirostris Münster 1839 ^[13]
      • †Saurichthys tertius Minich 1982
      • †Saurichthys ultimus Minikh 1992
      • †Saurichthys vjuschkovi Minikh 1983
      • †Saurichthys yangjuanensis Wu et al. 2015
      • †Saurichthys yunnanensis Zhang, Zhou, Lu & Bai 2010
    • Subgenus † Tintori, 2013^[14]
      • †Saurichthys (Costasaurichthys) costasquamosus Rieppel 1985 (type species)
      • †Saurichthys (Costasaurichthys) paucitrichus Rieppel 1992
    • Subgenus †Eosaurichthys Liu & Wei, 1988
      • †Saurichthys (Eosaurichthys) chaoi (Liu and Wei 1988) (type species)
      • †Saurichthys (Eosaurichthys) madagascariensis Piveteau 1945^[15]
    • Subgenus † Tintori, 2013^[16]
      • †Saurichthys (Lepidosaurichthys) dayi (Raymond 1925) (type species)
      • †Saurichthys (Lepidosaurichthys) elongatus Stensiö 1925
      • †Saurichthys (Lepidosaurichthys) ornatus Stensiö 1925
      • †Saurichthys (Lepidosaurichthys) toxolepis Mutter et al. 2008
      • †Saurichthys (Lepidosaurichthys) wimani (Woodward 1912)^[17]
    • Subgenus †Sinosaurichthys Wu et al., 2010^[1]
      • †Saurichthys (Sinosaurichthys) longipectoralis Wu et al. 2009 (type species)
      • †Saurichthys (Sinosaurichthys) longimedialis Wu et al. 2009
      • †Saurichthys (Sinosaurichthys) minuta Wu et al. 2009
    • Genus †Saurorhynchus Reis, 1892 [Acidorhynchus Stensiö, 1925]^[18]
      • †Saurichthys (Saurorhynchus) calcaratus Griffith 1977^[19]
      • †Saurichthys (Saurorhynchus) deperditus (Costa 1862)
      • †Saurichthys (Saurorhynchus) striolatus Bronn 1858^[20]
      • †Saurorhynchus acutus (Agassiz 1844) (type species)
      • †Saurorhynchus anningae Maxwell & Stumpf 2017
      • †Saurorhynchus brevirostris (Woodward 1895)
      • †Saurorhynchus hauffi Maxwell & Stumpf 2017
  • Family † Wu et al., 2013
    • Genus † Wu et al., 2013
      • †Yelangichthys macrocephalus Wu et al., 2013 (type species)

Phylogeny[]

Modified from Maxwell et al.^[21] (also see Renesto et al.^[22], Argyriou et al.^[23] and Gardiner et al.^[24])

Timeline of genera[]

References[]

Additional references[]

• Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2011-05-17.

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