Prehistoric Models: Lizards

Lizards are a clade of reptiles that can be found on every continent except Antarctica. It is important to know that the earliest diapsid reptiles of the Carboniferous and Permian may have been similar in appearance to modern lizards, but simply share a convergent morphology (body forms). The first true lizards appear in the fossil record during the early Jurassic Period some 200 million years ago, although there are fossil remains from the Late Triassic around 220 million years ago considered iguanian.

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsida – Order: Squamata – Family: Varinidae

(“Monitor lizards”)

 (Late Cretaceous to Holocene)

Genus and species: Varanus komodoensis

Common name: Komodo dragon

Range: Indonesia,  Flores, Gili Montang, Rinca

Time: Pliocene to Holocene

Diet: Carnivore

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsida – Order: Squamata – Suborder: Iguania

(Iguanomorpha)

 Early Jurassic to Holocene

Genus and species: Amblyrhynchus cristatus

Common name: Galapagos marine iguana

Classification: Family: Iguanidae

Range: Galapagos Islands

Time: Holocene

Diet: Herbivore

Genus and species: Conolophus subcristatus

Common name: Galapagos land iguana

Classification: Family: Iguanidae

Range: Galapagos Islands

Time: Holocene

Diet: Herbivore

Genus and species: Phrynosoma sp.

Common name: Horny toads or horntoads

Classification: Family: Phrynosomaidae

Range: North America

Time: Holocene

Diet: Insectivore

Common name: Chameleon

Classification: Family: Chameleonidae

Range: Africa, Madagascar, Middle East, Morrocco, Sothern India

Time: Early Miocene to Holocene

Diet: Insectivore

Genus and species: Chlamydosaurus kingii

Common name: Frilled lizard

Classification: Family: Agamidae

Range: Northern Australia, Southern  New Guinea

Time: Holocene

Diet: Carnivore

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsida – Order: Squamata – Infraorder: Gekkota – Family: Gekkonidae

(Gekkos)

 Early Cretaceous to Holocene

Common name: Gekko

Classification: Family: Gekkonidae

Range: Warm Climates

Time: Early Cretaceous to Holocene

Diet: Insectivore

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsida – Order: Squamata – Infraorder: Neoanguimorpha – Clade: Monsterauria – Family: Helodermatidae

(Heloderma)

 Early Miocene to Holocene

Genus and species: Heloderma suspectum

Classification: Family: Helodermidae

Range: American Southwest

Time: Holocene

Diet: Carnivore

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsida – Order: Squamata

(Lizards)

Early Jurassic to Holocene

Type: Lizard

Common name: Lizards

Range: All temerate zones

Time: Early Jurassic to Holocene

Diet: Insectivore

Type: Lizard

Common name: Lizards

Range: All temerate zones

Time: Early Jurassic to Holocene

Diet: Insectivore

Type: Lizard

Common name: Lizards

Range: All temerate zones

Time: Early Jurassic to Holocene

Diet: Insectivore

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