Ichnospecies: socialis LOCKLEY, DOS SANTOS, MEYER & HUNT, 1998
Etymology: “socialis” referring to inferred social behavior of
trackmakers.
Holotype: CU-MWC 198.2
Locality: Exact locality on file with Navajo Nations Minerals Department, Window Rock Office, Arizona. About 1 mile east of Boundary Butte, San Juan County, Utah.
Horizon: Salt Wash Member, Morrison Formation.
Biostratigraphy: Zone 2.
Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.
Material: A segment of trackway number 5.
Referred material:
CU-MWC 198.3: A single step, trackway number 3.
CU-MWC 198.4: A single track.
CU-MWC 198.1: A latex mold and plaster replica of in situ trackway number 9.
CU-MWC 198.2-4: Replicas, rubber molds, and plaster and fiberglass replicas, of originals held as evidence by the FBI (Montezuma Creek Office).