Stokesosaurus
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Extinct (fossil)
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| Stokesosaurus clevelandi Madsen, 1974 |
Stokesosaurus ("enigmatic lizard") was a small early tyrannosaur from the Late Jurassic period of Utah. The holotype consists of a hip bone, originally thought to belong to the possible early tyrannosaur Iliosuchus (Galton, 1976), as well as several vertebrae and a partial braincase (Chure and Madsen, 1998). Another illium referred to this dinosaur (Foster and Chure, 2000) is lost but may actually belong to the related Aviatyrannis, and a premaxilla thought to belong to Illiosuchus (Madsen, 1974) is actually from Tanycolagreus.
[edit] References
- Madsen (1974). "A new theropod dinosaur from the Upper Jurassic of Utah". Journal of Paleontology 48: 27-31.
- Galton (1976). "Iliosuchus, a Jurassic dinosaur from Oxfordshire and Utah". Paleontology 19: 587-589.
- Chure and Madsen (1998). "An unusual braincase (?Stokesosaurus clevelandi) from the Cleveland-Lloyd Dinosaur Quarry, Utah (Morrison Formation; Late Jurassic)". Journal of Vertebrate Paleontology 18(1): 115-125 [April 10, 1998].
- Foster and Chure (2000). "An ilium of a juvenile Stokesosaurus (Dinosauria, Theropoda) from the Morrison Formation (Upper Jurassic: Kimmeridgian), Meade County, South Dakota". Brigham Young University Geology Studies 45: 5-10.
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