Palaeos Palaeos Sauropterygia
Vertebrates Overview

Sauropterygia: Overview

Abbreviated Dendrogram
DIAPSIDA
|--ARCHOSAUROMORPHA
|Lepidosauromorpha
|--SAUROPTERYGIA
|  |--Placodontia
|  |==Pachypleurosauridae
|  `--+--Nothosauridae
|     `--Plesiosauria
|        |--Pliosauroidea
|        `--Plesiosauroidea
|           |--Elasmosauridae
|           `--Cryptocleidoidea
`--Lepidosauriformes
   |--SPHENODONTIA
   `--SQUAMATA
Contents

Overview
Sauropterygia
Placodontia
Pachypleurosauridae
     Dactylosaurus & Anarosaurus
    Serpianosaurus
    Neusticosaurus
Nothosauridae
Pistosauridae
Plesiosauria
    More on Plesiosauria
Pliosauroidea
    Rhomaleosauridae
    Pliosauridae
    Pliosauridae (2)
Plesiosauroidea
    Plesiosauroidea (2)
Elasmosauridae
Cryptocleididea
    Tricleidia
    Polycotylidae
Dendrogram
References


Introduction


"Somewhere under Tethys"

Two muraenosaurs: "Somewhere Under Tethys" Colin Swift, based on a mesh from Gruppo Iride.  Reproduced by permission. 




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