therapsid


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Related to therapsid: Pelycosauria, synapsid, Enterozoa

therapsid

any extinct reptile of the order Therapsida, from which mammals are thought to have evolved.
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The new species, named Tiarajudens eccentricus, was part of a group of ancient animals called therapsids, many of which are relatives of today's mammals.
At the 32nd International Geological Congress held in Florence in August 2004, various articles about the study of therapsid footprints from different sites were presented: New Mexico (USA), Lodeve (France), Esterel (France), and the Central European Permo-Triassic basin (Germany and Poland).
Although these ridges have frequently been cited as evidence of therapsid endothermy, in reality they reveal little about the metabolic status of these animals.
Lead author Dr Marcello Ruta of the University of Lincoln of the study, said that mass extinctions are seen as entirely negative but in this case, cynodont therapsids, which included a very small number of species before the extinction, really took off afterwards and was able to adapt to fill many very different niches in the Triassic - from carnivores to herbivores.
The Metabolic and Thermoregulatory Status of Therapsids.
Among the Therapsids was the gorgon, a 10-foot-long monster resembling a hybrid of lion and lizard.
The most common tetrapod fossils are teeth referable to small ornithischians and possible theropods, followed by bones and osteoderms of Protosuchus, and bones of cynodont therapsids including a tritylodontid dentary and limb bones.