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02 Sep. 2014 dinosaur count: 665
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Categories: TheropodaHerbivoreUSATriassic

CASEOSAURUS

Pronunciation: KAY-see-o-SOR-us
Meaning: Case's lizard
Authors: Hunt, Lucas, et al. (1998)
Previous names: Coelophysis .sp
First discovery: Texas, USA
Roar factor: 5/10

Caseosaurus crosbyensis

Caseosaurus crosbyensis began its afterlife as Coelophysis sp., coined by its discoverer Ermine Cowles Case (1871-1953), then it was assigned to Chindesaurus by Long and Murry in 1995. It was given its own name (this one) by Hunt, Lucas, Heckert, Sullivan and Lockley in 1998 because of differences between the partial hip on which it is based and the hip of Chindesaurus which is, rather suprisingly, missing the comparable part.

In a 2007 review of Triassic critters, the awesomely named Sterling Nesbitt hinted that its remains should never have been moved from Chindesaurus in the first place, but a full-on synonomy is being hampered by naff fossils. It appears that Caseosaurus is on borrowed time.
(Case's lizard from Crosby County)Etymology
Caseosaurus is derived from the surname of its discoverer (Ermine Cowles Case) and the Greek "sauros" (lizard).
The species epithet, crosbyensis (kroz-bee-EN-sis), means "from Crosby County" in Latin.
Discovery
The remains of Caseosaurus were discovered in the Tecovas Formation of Crosby County, Texas, USA, by Case. The holotype (UMMP 8870) is a partial ilium (bit of hip).
Estimations
Timeline:
Era: Mesozoic
Period: Late Triassic
Timespan: 228-209 million years ago
Age: Norian
Vital Stats:
Est. Max. Length: 2 meters
Est. Max. Height: 0.8 meters
Est. Max. Weight: 50 kg
Diet: Carnivorous
Family Tree:
Dinosauria
Saurischia
Theropoda
Herrerasauridae
Caseosaurus
crosbyensis
References
• A.P. Hunt, S.G. Lucas, A.B. Heckert, R.M. Sullivan, M.G. Lockley (1998) "Late Triassic dinosaurs from the western United States".
• Sterling J. Nesbitt, Randall B. Irmis, William G. Parker. (2007) "A critical re-evaluation of the Late Triassic dinosaur taxa of North America".
• Max C. Langer (2004) "Basal Saurischia" in Weishampel, Dodson and Osmólska's "The Dinosauria: 2nd Edition". /uk.
                    
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To cite this page:
Lee Atkinson (DinoChecker) "CASEOSAURUS: from DinoChecker's dinosaur archive".
http://www.dinochecker.com/dinosaurs/CASEOSAURUS. Web access: 02 Sep 2014.