Species: deanii (E. HITCHCOCK, 1841) E. HITCHCOCK, 1845
Etymology: Broad, heel.
= Ornithoidinchnites deanii E. HITCHCOCK, 1841
= Platypterna deanianus E. HITCHCOCK, 1845
= Platypterna deaniana (E. HITCHCOCK, 1845) E. HITCHCOCK, 1848
= Platypterna deaniana (E. HITCHCOCK, 1845) LULL, 1904

Holotype: Amherst collection 32/26

Locality: Westhersfield, Connecticut.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material: Tridactyl footprint of a bipedal animal.

Localities: Wethersfield, Wethersfield Cove, Conn., and Turners Falls, Massachusetts.
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Ichnospecies: tenuis (E. HITCHCOCK, 1841)
Etymology: Latin, tenuis, "narrow, thin."
= Ornithoidichnites tenuis E. HITCHCOCK, 1841

Holotype: Amherst collection 32/38

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

Horizon: Portland Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Tridactyl footprint of a bipedal animal.
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Ichnospecies: delicatula (E. HITCHCOCK, 1841)
Etymology: Latin, delicatus, "delicate."
= Ornithoidichnites delicatus E. HITCHCOCK, 1841
= Calopus delicatulus (E. HITCHCOCK, 1841) E. HITCHCOCK, 1845

Holotype: Amherst collection 31/11

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

Horizon: Portland Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Tridactyl footprint of a bipedal animal.

Localities: Lily Pond, Ferry at Gill, Turners Falls, Massachusetts., and Wethersfield, Conn.
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Ichnospecies: concamerata (E. HITCHCOCK, 1848)
Etymology:
= Harpedactylus concameratus E. HITCHCOCK, 1848
= Platypterna varica E. HITCHCOCK, 1858

Holotype: Amherst collection 11/1

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

Horizon: Turners Falls Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Tridactyl footprint of a bipedal animal.

Localities: Ferry at Turners Falls, and Gill, Massachusetts.
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Ichnospecies: digitigrada E. HITCHCOCK, 1858
Etymology:

Holotype: Amherst collection 36/16

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

Horizon: Turners Falls Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Tridactyl footprint of a bipedal animal.

Localities: Field’s orchard, Lily Pond, Gill and Turners Falls, Massachusetts.
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Ichnospecies: recta (E. HITCHCOCK, 1848)
Etymology:
= Harpedactylus rectus E. HITCHCOCK, 1848

Holotype: Amherst collection 6/2

Locality: Gill, Massachusetts.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material: Tridactyl footprint of a bipedal animal.
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Ichnospecies: lockatong BOCK, 1958
Etymology: In reference to Lockatong Formation.

Holotype: Academy of Natural Sciences, Philadelphia 15224

Locality: Gwynedd Tunnel Deposits, Gwynedd, Montgomery County, Pennsylvania.

Horizon: 1.3 km above the Triassic base, Lockatong Formation.

Biostratigraphy:

Age: Late Triassic.

Material: A single footprint.