Ichnogenus: Harpedactylus E. HITCHCOCK, 1848
Etymology: Sickle finger.

Ichnospecies: tenuissimus E. HITCHCOCK, 1841
Etymology:
= Sauroidichnites tenuissimus E. HITCHCOCK, 1841

Holotype: Amherst collection 27/18

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

Horizon: Turners Falls Formation.

Biostratigraphy:

Age: Late Triassic.

Material: 4 toed manus and pes prints of an occasionally quadrapedal.

Referred material:

Localities: Turners Falls, north bank below Turners Falls, Mass: Wethersfield, Conn.

 


= Harpedactylus gracilis E. HITCHCOCK, 1848
Etymology: Latin, gracilis, "slender."

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Ichnospecies: gracilior E. HITCHCOCK, 1865
Etymology:

Holotype: Amherst collection 47/52

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

Horizon: Turners Falls Formation.

Biostratigraphy:

Age: Late Triassic.

Material: 4 toed prints of an occasionally quadrapedal.

Referred material:

Localities: Lily Pond, Gill, north bank below Turners Falls, Mass.
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Ichnospecies: crassus E. HITCHCOCK, 1865
Etymology:

Holotype: Amherst collection 47/53

Locality: Unknown.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material: 4 toed prints of a occasionally quadrapedal.