Aspidorhynchiformes

Aspidorhynchiformes is an extinct order of ray-finned fish that lived from the Middle Jurassic to the late Paleocene. They only have one family, Aspidorhynchidae. The most famous is Aspidorhynchus.

 Genera 

 Order †Aspidorhynchiformes Bleeker 1859 [Aspidorhynchida; Aspidorhynchoidei Bleeker 1859]
 Family †Aspidorhynchidae Bleeker 1859 [Vinctiferidae Silva Santos 1990; Diphyodontidae Jordan 1923]
 Genus †Jonoichthys Gouiric-Cavalli 2015
 Genus ?†Ophirachis Costa 1854
 Genus †Platycerhynchus Costa 1864
 Genus †Pseudovinctifer Arratia 2015
 Genus †Richmondichthys Bartholomai 2004
 Genus †Aspidorhynchus Agassiz 1833 non Fitzinger 1843
 Genus †Belonostomus Agassiz 1834 [Dichelospondylus Costa 1856; Hemirhynchus Kner 1867 non Agassiz 1844 non Hodgson 1843; Diphyodus Lambe 1902]
 Genus †Vinctifer Jordan 1920

 Description 
The Aspidorhynchiformes are best known for their elongated, pointy rostrums. They are formed from fused premaxillary bones.

 References 

 Van Vranken, Nathan; Fielitz, Christopher; Ebersole, Jun (2019). "New Belonostomus record". Palaeontologia Electronica.

Category:Extinct fish
Category:Jurassic