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Unit 220: Lepidosauromorpha

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Cladogram

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Lepidosauromorpha: Cladogram

Abbreviated Cladogram

EUREPTILIA
|--ARCHOSAUROMORPHA
|
Lepidosauromorpha
|--Sauropterygia
|  |--Pachypleurosauridae
|  `--+--Nothosauridae
|     `--Plesiosauria
|        |--Pliosauroidea
|        `--Plesiosauroidea
|           |--Elasmosauridae
|           `--Cryptocleidoidea
`--Lepidosauriformes
   |--RHYNCHOCEPHALIA
   `--SQUAMATA

Contents

220.000: Overview
220.100: Lepidosauromorpha
220.200: Pachypleurosauridae
220.300: Eusauropterygia
220.400: Plesiosauria
220.500: Pliosauroidea
220.600: Plesiosauroidea
220.700: Elasmosauridae
220.800: Cryptocleidoidea
220.900: Lepidosauriformes
Cladogram 
References

 
EUREPTILIA
|--ARCHOSAUROMORPHA
|
Lepidosauromorpha VPP, DC, ToL
|--Sauropterygia X (placodonts + plesiosaurs) DC, MH
|  |--Placodontia •X MH HCW08 
|  `--Nothosauria X (plesiosaurs > placodonts)
|     |--Pachypleurosauridae X MH Rieppel (1998), HCW08
|     |  |--Hanosaurus •X    
|     |  `--+--+--Dactylosaurus •X 
|     |     |  `--Anarosaurus •X  
|     |     `--+--Serpianosaurus •X  S89
|     |        `--Neusticosaurus •X
|     `--Eusauropterygia X (nothosaurs + plesiosaurs)
|        |--Nothosauridae X (nothosaurs > plesiosaurs) MH  
|        |  |--Keichousaurus •X HCW08 
|        |  `--+--Simosaurus •X HCW08 
|        |     `--+--Nothosaurus •X HCW08
|        |        `--+--Ceresiosaurus •X
|        |           `--Lariosaurus •X HCW08
|        `--Plesiosauria X (plesiosaurs > nothosaurs) MH
|           |--Corosaurus •X HCW08
|           `--+--Pistosaurus •X HCW08
|              `--+--Pliosauroidea X MH
|                 |  |--Bishanopliosaurus •X
|                 |  |--Thalassiodracon •X  
|                 |  `--+--Archaeonectrus •X
|                 |     |--Eurycleidus •X
|                 |     `--+--Rhomaleosauridae X MH
|                 |        |  |--Yuzhoupliosaurus •X  
|                 |        |  `--+--Rhomaleosaurus •X  
|                 |        |     `--+--Simolestes •X
|                 |        |        `--Leptocleidus •X
|                 |        `--Pliosauridae X MH
|                 |           |--Maresaurus •X  
|                 |           |--Plesiopleurodon •X
|                 |           |--Macroplata •X  
|                 |           `--+--Kronosaurus •X
|                 |              `--+--Peloneustes •X  
|                 |                 `--+--Liopleurodon •X  
|                 |                    `--+--Pliosaurus •X 
|                 |                       `--Brachauchenius •X
|                 `--Plesiosauroidea X
|                    |--Attenborosaurus •X  
|                    `--+--Plesiosaurus •X
|                       `--+--Eretmosaurus •X  
|                          |--Sthenarosaurus •X
|                          `--+--Microcleidus •X
|                             `--+--Elasmosauridae •X MH
|                                `--Cryptocleidoidea X MH
|                                   |--Cryptoclididae X
|                                   |  |--Colymbosaurus •X
|                                   |  |--Cryptoclidus •X
|                                   |  `--Muraenosaurus •X
|                                   `--Tricleidia X
|                                      |--Tricleidus •X
|                                      `--+--Cimoliasauridae X
|                                         |  |--Kimmerosaurus •X  
|                                         |  `--Cimoliasaurus •X
|                                         `--Polycotylidae •X
`--Lepidosauriformes MH
   |--Kuehneosauridae •X
   `--Lepidosauria
      |--RHYNCHOCEPHALIA
      `--SQUAMATA
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last revised ATW080330