Trachelosaurus
| Trachelosaurus Temporal range: Early Triassic,
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|---|---|
| Holotype specimen | |
| Reconstructed skeleton of the holotype | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Family: | †Trachelosauridae |
| Genus: | †Trachelosaurus Broili & Fischer, 1917 |
| Species: | †T. fischeri
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| Binomial name | |
| †Trachelosaurus fischeri Broili & Fischer, 1917
| |
Trachelosaurus is an extinct genus of lizard-like early archosauromorph reptiles in the family Trachelosauridae. It was originally described as a dinosaur until it was redescribed as a "protorosaur" reptile by Robert L. Carroll in 1988. The type species, T. fischeri, was described by F. Broili & E. Fischer in 1917 based on remains found in the Solling Formation (Buntsandstein), Bernburg, Germany. A 2024 redescription identified Trachelosaurus as a long-necked and presumably aquatic reptile closely related to Dinocephalosaurus from the Guanling Formation of China.