Actiosaurus

{{Short description|Extinct genus of reptiles}}

{{Speciesbox

| fossil_range = Late Triassic, {{fossilrange|Rhaetian}}

| image = Actiosaurus.jpg

| image_caption = Actiosaurus gaudryi humerus (anterior view), Sauvage (1883).

| genus = Actiosaurus

| parent_authority = Sauvage, 1883

| species = gaudryi

| authority = Sauvage, 1883

}}

Actiosaurus (meaning "coast lizard") is an extinct genus of reptile first described by Henri Sauvage in 1883Sauvage, H. (1883). "Recherches sur les reptiles trouves dans l'etage Rhetien des environs d'Autun". Annales des Sciences Geologiques 14 (6, Article 3) : 1–44. from Antully bonebed, Autun (Triassic of France). The type species is A. gaudryi (commonly misspelled A. gaudrii after BoulengerBoulenger, G. A. (1883). Page 6 in "Reptilia and Batrachia". Rye, E. C. (ed.). The Zoological Record for 1883. Record of Zoological Literature 20.). Little is known of it, and it is considered a nomen dubium. Actiosaurus was originally described as a dinosaur in 1883 and was reinterpreted as an ichthyosaur in 1908. Actiosaurus may instead represent the remains of a choristodere.{{cite web |url=http://theropoddatabase.blogspot.co.il/2010/06/actiosaurus-is-choristodere-not.html |title=Actiosaurus is a choristodere not an ichthyosaur |last=Mortimer |first=M. |date=13 June 2010 |work= The Theropod Database Blog |accessdate=12 January 2013}} Fischer et al. (2014) considered A. gaudryi to be a species inquirenda, and noted the similarity of its bones to the limb bones of choristoderes.{{Cite journal|author1=Valentin Fischer |author2=Henri Cappetta |author3=Peggy Vincent |author4=Géraldine Garcia |author5=Stijn Goolaerts |author6=Jeremy E. Martin |author7=Daniel Roggero |author8=Xavier Valentin |year=2014 |title=Ichthyosaurs from the French Rhaetian indicate a severe turnover across the Triassic–Jurassic boundary |journal=Naturwissenschaften |volume= 101|issue=12 |pages= 1027–1040|doi=10.1007/s00114-014-1242-7 |pmid=25256640|bibcode=2014NW....101.1027F |hdl=2268/172355 |s2cid=619439 |url=https://orbi.uliege.be/handle/2268/172355 }}