Allosaurus

CHURE, FIORILLO & JACOBSEN, (1998) 2000

Locality: Reed’s Quarry R, Como Bluff West, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

AMNH 813: A sacrum, a left ilium, both pubes, right and left ischia, 2 anterior dorsal, 5 dorsals, 2 anterior caudals and a number of dorsal rib heads.
Note: Tooth marks on the massive foot of the pubis.

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DRUMHELLER, McHUGH, KANE, RIEDEL & D'AMORE, 2020

Locality: Mygatt-Moore (M&M) Quarry, Mesa County, Western Colorado.

Horizon: Middle Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

MWC 7263: Pedal claw with tooth marks.

MWC 8675: Dorsal centrum with tooth marks.

MWC 7230: Caudal vertebra with tooth marks.

MWC 9407: Caudal centrum with tooth marks.