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CEDAROSAURUS

a plant-eating brachiosaurid sauropod dinosaur from the Early Cretaceous of North America.
image
Pronunciation: SEE-duh-ro-SOR-us
Meaning: Cedar lizard
Author/s: Tidwell et al. (1999)
Synonyms: None known
First Discovery: Utah, USA
Chart Position: 367

Cedarosaurus weiskopfae

The slender-for-a-macronarian fossils of Cedarosaurus were discovered in the same area as Venenosaurus and Brontomerus, though at a much lower (and thus older) level than either. It was lacking a head, a neck, much in the way of overlapping parts that can be compared to other sauropods and hardly anything with a feature you could confidently single-out as unique... aside from five score and fifteen plant-grinding gastroliths (gizzard stones), all but three of which were discovered in what would have been its gut before it died, lost bits and turned into a disarticulated jumble.
(Carol Weiskopf's Cedar Mountain lizard)Etymology
Cedarosaurus is derived from "Cedar" (for the Cedar Mountain Formation, where the type specimen was collected) and the Greek "sauros" (lizard). The species epithet, weiskopfae (WIES-kop-fee), honors the late Carol Weiskopf for her work in the field and lab.
Discovery
The remains of Cedarosaurus were discovered at "Yellow Cat Quarry" in the Yellow Cat Member of the Cedar Mountain Formation, Price County, Utah, USA, by Denver Museum of Natural History volunteer Billy Kinneer in 1997. The holotype (DMNH 39045) is a partial, skull-and-neckless skeleton and 115 gastroliths, 112 of which were found within the rib cage.
A hind limb from the Trinity Group previously referred to "Pleurocoelus" by Langston in 1974 was assigned to Cedarosaurus by Michael D. D'Emic in 2012.
Estimations
Timeline:
Era: Mesozoic
Epoch: Early Cretaceous
Stage: Barremian
Age range: 130-125 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Herbivore
References
• Tidwell V, Carpenter K. & Brooks W. (1999) "New sauropod from the Lower Cretaceous of Utah, USA".
• Tidwell V, Carpenter K. & Meyer S. (2001) "New Titanosauriform (Sauropoda) from the Poison Strip Member of the Cedar Mountain Formation (Lower Cretaceous), Utah" in "Mesozoic Vertebrate Life".
• Upchurch P, Barrett P.M. and Dodson P. (2004) "Sauropoda" in Weishampel, Dodson and Osmólska "The Dinosauria: Second Edition".
• D'Emic M.D. (2012) "Revision of the sauropod dinosaurs of the Lower Cretaceous Trinity Group, southern USA, with the description of a new genus".
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To cite this page:
Atkinson, L. "CEDAROSAURUS :: from DinoChecker's dinosaur archive".
›. Web access: 27th Mar 2017.
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