Australia: The Land Where Time Began
A characteristic of this group is triple-headed ribs, and teeth not completely anchored in the jaw bone (subthecodontian type). They were predominantly aquatic predators living around ponds. Swimming appears to have been the principal form of locomotion.
- Kalisuchus rewanensis Lower Triassic The Arcadia Formation, the Crater, Queensland.
- Tasmaniosaurus triassicus Earlyn Triassic, Poets Road member of Knocklofty Formation, Hobart, Tasmania
Dinosaurs of Australia and New Zealand, John A. Long, UNSW Press, 1998
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