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Contact

About the author
Email: plesiosauria@gmail.com
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 by an asterisk

  • Alexeyisaurus
  • Alzadosaurus
  • Aphrosaurus
  • *'Apractocleidus'
  • *Archaeonectrus
  • *Aristonectes
  • *Attenborosaurus
  • Augustasaurus
  • Bathyspondylus
  • Bishanopliosaurus
  • *Bobosaurus
  • Borealonectes
  • Brachauchenius
  • *Brancasaurus
  • Callawayasaurus
  • 'Cimoliasaurus'
  • Claudiosaurus
  • Colymbosaurus
  • *Cryptoclidus
  • Cymatosaurus
  • Dactylosaurus
  • Dolichorhynchops
  • *Edgarosaurus
  • *Elasmosaurus
  • Eopolycotylus
  • *Eretmosaurus
  • Eromangasaurus
  • Eurycleidus
  • Fresnosaurus
  • Futabasaurus = 'Futabasuzukiryu'
  • Gallardosaurus
  • Georgiasaurus
  • *Hauffiosaurus
  • Hydralmosaurus
  • Hydrorion
  • Hydrotherosaurus
  • *Kaiwhekea
  • Kimmerosaurus
  • *Kronosaurus
  • *Leptocleidus
  • Leurospondylus
  • *Libonectes
  • *Liopleurodon
  • *Lusonectes
  • *Macroplata
  • *Manemergus
  • *Maresaurus
  • *Marmornectes
  • Mauisaurus
  • Megalneusaurus
  • *Meyerasaurus
  • Microcleidus
  • Morenosaurus
  • *'Morturneria'
  • Muraenosaurus
  • Nichollssaura
  • *Occitanosaurus
  • *'Ogmodirus'
  • Opallionectes
  • *Pachycostasaurus
  • Pahasapasaurus
  • Palmulasaurus
  • Pantosaurus
  • Peloneustes
  • Pistosaurus
  • Plesiopleurodon
  • Plesiopterys
  • *Plesiosaurus
  • Pliosaurus
  • Polycotylus
  • Polyptychodon
  • *Rhomaleosaurus
  • Seeleyosaurus
  • Scanisaurus
  • *Simolestes
  • Sthenarosaurus
  • 'Stretosaurus'
  • Strongylokrotaphus
  • Styxosaurus
  • Sulcusuchus
  • Tatenectes
  • Terminonatator
  • *Thalassiodracon
  • *Thalassomedon
  • 'Thaumatosaurus'
  • *Thililua
  • Trememesacleis'
  • *Tricleidus
  • Trinacromerum
  • Tuarangisaurus
  • Umoonasaurus
  • Vinialesaurus
  • Wapuskanectes
  • Westphaliasaurus
  • Woolungasaurus
  • Yuzhoupliosaurus
  • Zarafasaura
 

[Art available by permission / commission - Click here]

DINOSAURS

PLESIOSAURS

and other marine reptiles

Spinosaurus aegyptiacus

 

Plesiosaurus
Amargasaurus cazaui

 

 

Claudiosaurus - once considered a possible plesiosaur ancestor

Baryonyx walkeri

see also Baryonyx version 2

 

Two Eurycleidus arcuatus (= Rhomaleosaurus megacephalus) playing

 

 

Brachiosaurus atalaiensis

 

 

 

Ichthyosaurus communis

 

 

Camarasaurus supremus,

Cope 1877

 

 

Liopleurodon ferox

 

Deinonychus antirrhopus

 

 

Elasmosaurus platyurus

 

 

Dromiceiomimus brevitertius

 

 

Plesiosaurus dolichodeirus

 

Kentrosaurus aethiopicus

Hennig, 1915

 

 

Edgarosaurus muddi

 

Lufengosaurus hunei

Young, 1941

 

Muraenosaurus leedsii

 

Pawpawsaurus campbelli

(hypothetical body)

OTHER

 

 

Scelidosaurus harrisonii

Painting based on pencil illustration (below)

 

 

Palaeoloxon (extinct elephant)

 

Scelidosaurus harrisonii

 

 

 

Dacyceps (Permian amphibian)

 

 

 

Scelidosaurus harrisonii

 

based on personal observation of the new specimen found in Dorset

Part of a living graptolite.

 

Hypothetical neck and head of a male S. harrisonii

 

   

Spinosaurus skull (digital), designed under the supervision of Nizar Ibrahim.

  SCULPTURE (link)

 

Stygimoloch spinifer

   

 

 

Thecodontosaurus antiquus

   

Popular pages

Liopleurodon

Plesiosaurus

Locomotion

Living plesiosaurs?

Crystal Palace plesiosaurs

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Further reading

Playtime

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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).

©2011 Copyright Adam S. Smith. This site opened in June 2001. Last updated January 2012.