Trimucrodon
Ceratosauria, Chordate, Reptile
978-613-9-19376-9
6139193761
96
2012-01-04
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Trimucrodon (meaning "three-pointed tooth") is a genus of herbivorous dinosaur from the Late Jurassic or Early Cretaceous of what is now Portugal. It has been classified as a basal ornithischian, but is a nomen dubium: it is a "tooth genus" known only from its teeth. Between 1962 and 1967 German zoologist Georg Krusat uncovered mammal fossils near Porto Dinheiro, Lourinha, in layers of the Camadas de Alcobaça Formation. This rock unit was then seen as dating from the Kimmeridgian stage, around 150 to 155 million years ago but was later suggested to date to the Cretaceous (early Berriasian stage), about 145 million years old. One small tooth was recognised by Richard A. Thulborn as dinosaurian instead of mammalian and in 1973 he described and named it Trimucrodon cuneatus; the paper was not published until 1975.
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