Palaeos		Archosauromorpha
Vertebrates		Dendrogram

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Archosauromorpha: Dendrogram

Abbreviated Dendrogram

DIAPSIDA
|--LEPIDOSAUROMORPHA
|
`--ARCHOSAUROMORPHA
   |=="Protorosauridae"
   `--+?--CHORISTODERA
      |??-CHELONII (molecular phylogeny)
      |?--Helveticosaurus
      `--+--Rhynchosauria
         `--+--Trilophosauria
            `--+--Prolacertiformes
               |--Drepanosauridae
               `--ARCHOSAURIA

Contents

Overview
Archosauromorpha
Helveticosauridae
Rhynchosauria
Trilophosauria
Prolacertiformes
Drepanosauridae
Classification
Dendrogram
References

Dendrogram

DIAPSIDA
|--LEPIDOSAUROMORPHA
|
`--ARCHOSAUROMORPHA ToL
   |--Protorosauridae
   |  |-Czatkowiella
   |  `-Protorosaurus
   `--+?--CHORISTODERA
      |??-CHELONII (molecular phylogeny)
      |?--Helveticosauroidea
      |    |--Helveticosaurus
      |    `--SVT 203 (unnamed genus)
      `--+--Rhynchosauria •X MH
         `--+--Trilophosauridae •X MH
            `--Prolacertiformes •X MH
               |--+-Prolacerta   "Prolacertiformes"
               |  `-Malerisaurus
               |--Macrocnemus
               |--Tanystropheidae
               |--Dinocephalosaurus
               |--Drepanosauromorpha
               |  |-- Hypuronector
               |  `--Elyurosauria
               |     |-- Vallesaurus
               |     `--Drepanosauridae
               |        |--Dolabrosaurus 
               |        `--Megalancosaurinae
               `--ARCHOSAURIA MH

checked ATW040713

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