Images for Chapter 11 The Triassic Takeover
Squamata are the numerous and diverse smaller living reptiles, including lizards and snakes. Lizard skulls at the University of Texas CT scanning lab, with many more ready to browse.
Sphenodontia are a sister group of the Squamata but include only one family with one living form, the tuatara Sphenodon.
Cladogram of archosauromorphs. Figure 11.4.
The Triassic Diapsid Takeover
Respiration, Metabolism, and Locomotion
The Komodo dragon
The giant varanid lizard, the ora:
Orthosuchus, a Lower Jurassic crocodilian.
Dinosaur ancestors or close relatives
The first dinosaurs
Press release: these are Middle to Late Triassic, from Madagascar, very slightly older than than the Argentine ones, perhaps 230 Ma. We are not talking scientific breakthrough here. 22 October 1999.
Page last updated October 28, 2004.
Links last checked August 27, 2004.
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