Rhabdodontidae
Extinct family of dinosaurs / From Wikipedia, the free encyclopedia
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Rhabdodontidae is a family of herbivorous iguanodontian ornithopod dinosaurs whose earliest stem members appeared in the middle of the Lower Cretaceous. The oldest dated fossils of these stem members were found in the Barremian Castrillo de la Reina Formation of Spain, dating to approximately 129.4 to 125.0 million years ago.[1] With their deep skulls and jaws, Rhabdodontids were similar to large, robust iguanodonts. The family was first proposed by David B. Weishampel and colleagues in 2003.[2] Rhabdodontid fossils have been mainly found in Europe in formations dating to the Late Cretaceous.
Rhabdodontids | |
---|---|
Rhabdodon priscus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | †Ornithischia |
Clade: | †Ornithopoda |
Clade: | †Rhabdodontomorpha |
Family: | †Rhabdodontidae Weishampel, 2003 |
Type genus | |
Rhabdodon | |
Genera | |
The defining characteristics of the clade Rhabdodontidae include the spade-shape of the teeth, the presence of three or more premaxillary teeth, the distinct difference between the two maxillary and dentary teeth ridge patterns, and the uniquely shaped femur, humerus, and ulna.[1] Members of Rhabdodontidae have an adult body length of 1.6 to 6.0 meters.[3]