Palæos:

 

Unit 220: Lepidosauromorpha

The Vertebrates

Overview


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Lepidosauromorpha: Overview


Abbreviated Cladogram

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

Index

220.000: Overview
220.100: Lepidosauromorpha
220.200: Pachypleurosauridae 
   220.230: Dactylosaurus & Anarosaurus 
   220.250: Serpianosaurus 
   220.270: Neusticosaurus 
220.300: Eusauropterygia
220.400: Plesiosauria 
   220.450: More on Plesiosauruia
220.500: Pliosauroidea 
   220.520: Rhomaleosauridae 
   220.550: Pliosauridae 
   220.570: Pliosauridae (2) 
220.600: Plesiosauroidea 
   220.650: Plesiosauroidea (2) 
220.700: Elasmosauridae
220.800: Cryptocleidoidea 
   220.820: Tricleidia 
220.900: Lepidosauriformes
Cladogram 
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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