Simolestes

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Simolestes
Temporal range: 170–145 Ma
Middle-Late Jurassic
Simolestes.jpg
Diagram of the skull of S. vorax
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Sauropterygia
Order: Plesiosauria
Family: Pliosauridae
Clade: Thalassophonea
Genus: Simolestes
Species

S. vorax (type species)
S. indicus
S. keileni

Simolestes (meaning "hearkening thief") is an extinct pliosaurid genus that lived in the Middle to Late Jurassic.[1] Fossils have been found in England, France and India.

Simolestes could exceed 10m in length.[2]

Classification[edit]

Restoration of S. vorax
Life reconstruction of Simolestes vorax

The cladogram below follows a 2011 analysis by paleontologists Hilary F. Ketchum and Roger B. J. Benson, and reduced to genera only.[3]

Pliosauroidea
Rhomaleosauridae

Anningasaura





"Plesiosaurus" macrocephalus




Archaeonectrus



Macroplata






Atychodracon




Eurycleidus




Rhomaleosaurus




Meyerasaurus



Maresaurus








Pliosauridae

Thalassiodracon




Hauffiosaurus




Attenborosaurus





BMNH R2439



Marmornectes





"Pliosaurus" andrewsi





OUMNH J.02247



Peloneustes





Simolestes




Liopleurodon




Pliosaurus




Megacephalosaurus[4]




Brachauchenius



Kronosaurus














References[edit]

  1. ^ Smith, Adam S.; Dyke, Gareth J. (2008). "The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: Implications for plesiosaur phylogenetics". Naturwissenschaften. 95 (10): 975. PMID 18523747. doi:10.1007/s00114-008-0402-z. 
  2. ^ Forrest, R. (2000). A large rhomaleosaurid pliosaur from the Upper Lias of Rutland. Mercian Geologist, 15(1), 37-40.PDF
  3. ^ Hilary F. Ketchum and Roger B. J. Benson (2011). "A new pliosaurid (Sauropterygia, Plesiosauria) from the Oxford Clay Formation (Middle Jurassic, Callovian) of England: evidence for a gracile, longirostrine grade of Early-Middle Jurassic pliosaurids". Special Papers in Palaeontology. 86: 109–129. doi:10.1111/j.1475-4983.2011.01083.x (inactive 2017-03-12). 
  4. ^ Schumacher, Bruce A.; Carpenter, Kenneth; Everhart, Michael J. (2013). "A new Cretaceous Pliosaurid (Reptilia, Plesiosauria) from the Carlile Shale (middle Turonian) of Russell County, Kansas". Journal of Vertebrate Paleontology. 33 (3): 613. doi:10.1080/02724634.2013.722576.