Ichnospecies: abnormis (E. HITCHCOCK, 1845) E. HITCHCOCK, 1845
Etymology:
= Sauroidichnites abnormis E. HITCHCOCK, 1845

Cotype: Amherst collection 19/1

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: 4 impressions.
Note: Paleopathology, toes are abnormally positioned.

Cotype: Amherst collection 19/2.
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Ichnospecies: gracilis E. HITCHCOCK, 1848
Etymology: Latin, gracilis, "slender."

Holotype: Amherst collection 31/46

Locality: Wethersfield, Harford Basin, 41°43’22”, 72°39’16”, Hartford County, Conneticut.

Horizon: Portland Formation.

Biostratigraphy:

Age: Late Triassic.

Material: An isolated print.