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Contact

About the author
Email: [email protected]
Follow: @adamstuartsmith

Higher taxa

  • Sauropterygia
  • Eosauropterygia
  • Eusauropterygia
  • Pachypleurosauria
  • Nothosauria
  • Pistosauroidea
  • Pistosauria
  • Plesiosauria
  • Pliosauroidea
  • Plesiosauroidea

Families

  • Aristonectidae
  • Brachauchenidae
  • Cimoliasauridae
  • Cryptoclididae
  • Elasmosauridae
  • Leptocleididae
  • Microcleididae
  • Plesiosauridae
  • Pliosauridae
  • Polycotylidae
  • Rhomaleosauridae

Genera

The genera section is under construction, active pages are indicated in bold

  • A
  • Albertonectes
  • Alexeyisaurus
  • Alzadosaurus
  • Anningasaura
  • Aphrosaurus
  • 'Apractocleidus'
  • Archaeonectrus
  • Aristonectes
  • Attenborosaurus
  • Atychodracon
  • Augustasaurus
  • Avalonnectes
  • B
  • Bathyspondylus
  • Bishanopliosaurus
  • Bobosaurus
  • Borealonectes
  • Brachauchenius
  • Brancasaurus
  • C
  • Callawayasaurus
  • 'Cimoliasaurus'
  • Colymbosaurus
  • Cryptoclidus
  • D
  • Dolichorhynchops
  • E
  • Edgarosaurus
  • Elasmosaurus
  • Eoplesiosaurus
  • Eopolycotylus
  • Eretmosaurus
  • Eromangasaurus
  • Eurycleidus
  • F
  • Fresnosaurus
  • Futabasaurus
  • G
  • Gallardosaurus
  • Georgiasaurus
  • H
  • Hauffiosaurus
  • Hydralmosaurus
  • Hydrorion
  • Hydrotherosaurus
  • I
  • J
  • K
  • Kaiwhekea
  • Kimmerosaurus
  • Kronosaurus
  • L
  • Leptocleidus
  • Leurospondylus
  • Libonectes
  • Liopleurodon
  • Lusonectes
  • M
  • Macroplata
  • Manemergus
  • Maresaurus
  • Marmornectes
  • Mauisaurus
  • Megalneusaurus
  • Meyerasaurus
  • Microcleidus
  • Morenosaurus
  • 'Morturneria'
  • Muraenosaurus
  • N
  • Nichollssaura
  • O
  • Occitanosaurus
  • 'Ogmodirus'
  • Opallionectes
  • P
  • Pachycostasaurus
  • Pahasapasaurus
  • Palmulasaurus
  • Pantosaurus
  • Peloneustes
  • Pistosaurus
  • Plesiopleurodon
  • Plesiopterys
  • Plesiosaurus
  • Pliosaurus
  • Polycotylus
  • Polyptychodon
  • Q
  • R
  • Rhomaleosaurus
  • S
  • Seeleyosaurus
  • Scanisaurus
  • Simolestes
  • Sthenarosaurus
  • Stratesaurus
  • 'Stretosaurus'
  • Strongylokrotaphus
  • Styxosaurus
  • Sulcusuchus
  • T
  • Tatenectes
  • Terminonatator
  • Thalassiodracon
  • Thalassomedon
  • 'Thaumatosaurus'
  • Thililua
  • Trememesacleis'
  • Tricleidus
  • Trinacromerum
  • Tuarangisaurus
  • U
  • Umoonasaurus
  • V
  • Vinialesaurus
  • W
  • Wapuskanectes
  • Westphaliasaurus
  • Woolungasaurus
  • X
  • Y
  • Yuzhoupliosaurus
  • Z
  • Zarafasaura

Occitanosaurus (Sciau, Crochet and Mattei, 1990)

Occitanosaurus was described by Sciau et al. (1990) and Bardet et al. (1999). The genus name was erected for 'Plesiosaurus' tournemirensis by Bardet et al. (1999). The taxon was regarded as an early elasmosaurid. Occitanosaurus was approximately 3.90 meters long.

Classification

Sauropterygia --> Eosauropterygia --> Eusauropterygia --> Pistosauroidea --> Plesiosauria --> Plesiosauroidea

O. tournemirensis (Sciau, Crochet and Mattei, 1990) (type and only species)

Material

Type material: MMM J. T. 86-100, Musée Municipal de Millau, Aveyron, near complete skeleton including the skull, complete vertebral series with atlas-axis and associated ribs to the sacrum, complete pectoral and pelvic girdles, right forelimb and both hind limbs.

Age and Location

Marnes feuilletées, Aalensis Zone, Pleydellia celtica Subzone, Upper Toarcian, Lower Jurassic, Tournemire (43°56' 25''N, 3°1'14''E), Aveyron Department, southern France.

Maresaurus images

  • The skull of Occitanosaurus in dorsal view (from Bardet et al. 1999).

Popular pages

Liopleurodon

Plesiosaurus

Locomotion

Living plesiosaurs?

Crystal Palace plesiosaurs

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Further reading

Playtime


The skeletons in the site header are (from left to right): Kronosaurus (in the Museum of Comparative Zoology, Harvard University, Cambridge), Thalassomedon (in the American Museum of Natural History, New York), Cryptoclidus (In the Hunterian Museum and Art Gallery, Glasgow), Rhomaleosaurus (in the Natural History Museum, London), Dolichorhynchops (in the Smithsonian Institution's National Museum of Natural History, Washington) and Thalassiodracon (in the Natural History Museum, London).

Golden Trilobite winner 2013

©2017 Copyright Adam S. Smith. This site opened in June 2001. Last updated August 2017.