Palæos:

  

Unit 240: Squamata

The Vertebrates

300: Iguanidae

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Squamata: Iguanidae

A Squamate Cladogram

LEPIDOSAUROMORPHA
|--RHYNCHOCEPHALIA
|
Squamata
|--Iguania
|  |--Tropiduridae
|  |--Acrodonta
|  |  |--Priscagamidae
|  |  `--+--Agamidae
|  |     |  |--Amphibolurinae
|  |     |  `--Draconinae
|  |     `--Chamaeleonidae
|  `--Iguanidae
|
SCLEROGLOSSA

Contents

240.000 Overview
240.100 Squamata
240.200 Acrodonta
240.300 Iguanidae
Cladogram
References

Taxa on This Page

  1. Iguanidae

Iguana iguanaIguanidae: 

Phylogeny: Iguania: Tropiuridae + Acrodonta + *.  

Range: Current range North America, South America, Madagascar, and some Pacific islands.

Characters: tongues short & barely protrusible; pleurodont dentition; tail usually longer than body; well-developed limbs; fourth toe nearly twice as long as fifth; most have long tails, crest, and dewlaps; head covered with larger scales or plates; belly scales small, in several rows, or not obviously in longitudinal series;  belly scales pointed or rounded, but not quadrangular; males are bright and varied in coloring; desert & forest dwellers mainly herbivores, while smaller iguanidae insectivores or omnivores.

Links: Family Iguanidae; Iguanidae; Iguanidae; Die Iguanidae-Webseite; Iguanas; Iguanidae.html.

Note: Probably polyphyletic group with numerous families.

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