MOODIE, 1916.
Locality: Como Bluff, Wyoming.
Horizon: Morrison Formation.
Biostratigraphy: Zone?
Age: Age? Stage? Epoch? Late Jurassic.
Material:
Number: Not given: 2 fused caudals.
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ROTHCHILD & BERMAN, 1991
Locality:
Horizon: Member? Morrison Formation.
Biostratigraphy: Zone?
Age: Age?, Stage?, Malm Epoch, Late Jurassic.
Material:
AMNH 460: Fragmentary skeleton with the early stages of caudal 18 fused.
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WOODRUFF, WOLFF, WEDEL, DENNISON & WITMER, 2022
Locality: MOR's O'Hair Quarry (MOR Locality M-048, formelry Strickland Creek Quarry), Park County, Montana.
Horizon: Salt Wash Member, Morrison Formation.
Biostratigraphy: Zone 2.
Age: Comobluffian age, Kimmeridgian Stage, Uppermost Malm Epoch, Late Jurassic.
Material:
MOR 7029: Complete skull and first seven associated and articualted vertebrae.
Note: Has pathologic stuctures on the cervical centra.