[D] Ceratosaurus willisobrienorum
Describer
Welles, Powell & Pickering, vide Pickering, 1995
Time
Jurassic Late Kimmeridgian Tithonian
Classification
Saurischia Theropoda Ceratosauria Nomina Dubia
Diet
Carnivore
Fossilsite
Morrison Formation, Brushy Basin Member, Fruita, Colorado, Cleveland-Lloyd Dinosaur Quarry, Utah, US
Fall Under
Ceratosaurus
Info
Skull
Ceratosaurus (Marsh, 1884) > Ceratosaurus nasicornis (Marsh, 1884) Ceratosaurus ingens (Janensch, 1920) = Megalosaurus ingens (1) (Janensch, 1920)
Ceratosaurus (Marsh, 1884) > Ceratosaurus willisobrienorum (Welles, Powell & Pickering, vide Pickering, 1995) = Ceratosaurus dentisulcatus (Madsen & Welles, 2000) = Ceratosaurus magnicornis (Madsen & Welles, 2000)
Ceratosaurus willisobrienorum was diagnosed, with type (MWC) and referred specimen (UUVP) designated, in 1996, and has priority over Ceratosaurus magnicornis (Madsen & Welles, 2000) and Ceratosaurus dentisulcatus (Madsen & Welles, 2000).
Ceratosaurus (Marsh, 1884) > Ceratosaurus sp. (Mateus, Walen and Antunes 2006)
Type: MWC skull & skeleton, Brushy Basin Member Morrison Formation, Fruita, Colorado.
Referred specimen: UUVP disarticulated skull & skeleton (UUVP 47-49, 53, 56, 66, 80-81, 83, 155, 158, 170, 173, 212, 234-236, 272, 316- 317, 327, 329, 355, 365, 375-378, 433, 438-439,531-534, 549, 562, 674, 677, 1035, 1053, 1229, 1231, 1615, 1646, 1979,2172, 3729, 5658, 5681-5683, 5911, 5959-5960, 5982, 6305, 6520, 6739, 6743,6788, 6857, 6933, 6935, 6938, 6940-6941, 6945-6949, 6951-6956, 6958, 6961-6968), Cleveland-Lloyd Quarry, Utah. The UUVP skull/skeleton are now at the Utah Museum of Natural History, catalogued as UMNH 5728
Ceratosaurus willisobrienorum sp. nov., MWC type skull & skeleton + UUVP referred disarticulated skull & skeleton (UUVP...[numbers as listed above]), a Ceratosaurus with premaxilla L:H index 80, Pm 3/M 15, caudal spines higher and persist farther beyond transition point than in Ceratosaurus nasicornis, and the apexes of the spines have no thickening\\\".
Welles, Powell & Pickering, vide Pickering, 1995
Time
Jurassic Late Kimmeridgian Tithonian
Classification
Saurischia Theropoda Ceratosauria Nomina Dubia
Diet
Carnivore
Fossilsite
Morrison Formation, Brushy Basin Member, Fruita, Colorado, Cleveland-Lloyd Dinosaur Quarry, Utah, US
Fall Under
Ceratosaurus
Info
Skull
Ceratosaurus (Marsh, 1884) > Ceratosaurus nasicornis (Marsh, 1884) Ceratosaurus ingens (Janensch, 1920) = Megalosaurus ingens (1) (Janensch, 1920)
Ceratosaurus (Marsh, 1884) > Ceratosaurus willisobrienorum (Welles, Powell & Pickering, vide Pickering, 1995) = Ceratosaurus dentisulcatus (Madsen & Welles, 2000) = Ceratosaurus magnicornis (Madsen & Welles, 2000)
Ceratosaurus willisobrienorum was diagnosed, with type (MWC) and referred specimen (UUVP) designated, in 1996, and has priority over Ceratosaurus magnicornis (Madsen & Welles, 2000) and Ceratosaurus dentisulcatus (Madsen & Welles, 2000).
Ceratosaurus (Marsh, 1884) > Ceratosaurus sp. (Mateus, Walen and Antunes 2006)
Type: MWC skull & skeleton, Brushy Basin Member Morrison Formation, Fruita, Colorado.
Referred specimen: UUVP disarticulated skull & skeleton (UUVP 47-49, 53, 56, 66, 80-81, 83, 155, 158, 170, 173, 212, 234-236, 272, 316- 317, 327, 329, 355, 365, 375-378, 433, 438-439,531-534, 549, 562, 674, 677, 1035, 1053, 1229, 1231, 1615, 1646, 1979,2172, 3729, 5658, 5681-5683, 5911, 5959-5960, 5982, 6305, 6520, 6739, 6743,6788, 6857, 6933, 6935, 6938, 6940-6941, 6945-6949, 6951-6956, 6958, 6961-6968), Cleveland-Lloyd Quarry, Utah. The UUVP skull/skeleton are now at the Utah Museum of Natural History, catalogued as UMNH 5728
Ceratosaurus willisobrienorum sp. nov., MWC type skull & skeleton + UUVP referred disarticulated skull & skeleton (UUVP...[numbers as listed above]), a Ceratosaurus with premaxilla L:H index 80, Pm 3/M 15, caudal spines higher and persist farther beyond transition point than in Ceratosaurus nasicornis, and the apexes of the spines have no thickening\\\".