Ichnospecies: circumagens E. HITCHCOCK, 1858
Etymology:

Holotype: Amherst collection 21/2

Locality: Ferry at Turners Falls, 42°36’43”, 72°03’88”, Deerfield Basin, Franklin County, Massachusetts.

Horizon: Turners Falls Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Manus and pes prints.

After Lull, 1904.

Referred material:

Localities: Turners Falls, Fields’ orchard in Gill and south Hadley, Massachusetts.

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Ichnospecies: minus (E. HITCHCOCK, 1858) LULL, 1904
Etymology:
= Gigantitherium minus E. HITCHCOCK, 1858

Ichnospecies: Amherst collection 1/3

Locality: Lily Pond Quarry, Gill, 42°36’10:, 72°32’01, Deerfield Basin, Franklin County, Massachusetts.

Horizon: Turners Falls Formation, Micaceous shale.

Biostratigraphy:

Age: Late Triassic.

Material: Pes prints.

After Lull.

Referred material:

Localities: Lily Pond, ferry above Turners Falls, Turners Falls, South Hadley, and ?Moody’s corner Massachusetts.

 

Locality: Culpepper Crushed Stone Quarry, Culpepper Basin, Northern Virginia.

Horizon:

Biostratigraphy:

Age: Norian Stage, Middle Late Triassic Epoch, Late Triassic.

Material:

Number: Not given: A set of 4 consecutive prints from trackway AG-2.

USNM 358665: From trackway AP-1