Ichnospecies: minimus (E. HITCHCOCK, 1836) E. HITCHCOCK, 1845 (Type)
Etymology: Latin, minimus, "very small, smallest."
= Ornithichnites minimus E. HITCHCOCK, 1826
= Argoides minimus (E. HITCHCOCK, 1836) E. HITCHCOCK, 1845
= Argoides minimum (E. HITCHCOCK, 1836)
= Argozoum minimus (E. HITCHCOCK, 1836) E. HITCHCOCK, 1848
= Argozoum minimum (E. HITCHCOCK, 1836) E. HITCHCOCK, 1848
= Ornithoidichnites minimus (E. HITCHCOCK, 1836) E. HITCHCOCK, 1841
= Argoides minimus LULL, 1904
Holotype: Amherst collection 25/1
Locality: Lily Pond Quarry, Gill, 42°36’10:, 72°32’01, Deerfield Basin, Franklin County, Massachusetts.
Horizon: Turners Falls Formation.
Biostratigraphy:
Age: Late Triassic.
Material: Tridactyle tracks of a bipedal animal.
Referred material:
Localities: Horse Race, Gill, Lily Pond, Turners Falls, Massachusetts.
ADAMS, 1846Locality: Wethersfield, Harford Basin, 41°43’22”, 72°39’16”, Hartford County, Conneticut.
Horizon: Portland Formation.
Biostratigraphy:
Age: Late Triassic.
Material:
Number: Not given: A small 3 toed track.
Number: Not given: A smaller 3 toed track.
= Ornithoidichnites isodactyletus E. HITCHCOCK, 1841
Etymology:
= Argoides isodactyletus (E. HITCHCOCK, 1841) E. HITCHCOCK, 1845
= Argoides isodactyletus (E. HITCHCOCK, 1845) LULL, 1904Holotype:
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= Argozoum paridigitatum E. HITCHCOCK, 1848
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= Plesiornis qequalipes E. HITCHCOCK, 1858
Etymology:Holotype: Amherst Collection 31/7
Locality: Wethersfield, Harford Basin, 41°43’22”, 72°39’16”, Hartford County, Conneticut.
Horizon: Portland Formation.
Biostratigraphy:
Age: Late Triassic.
Material: Tridactyle tracks of a bipedal animal.
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Inchnospecies: macrodactylus (E. HITCHCOCK, 1841)
Etymology:
Greek, macro, “big, large” and Greek, dactylos, “finger.”
= Ornithoidichnites macrodactylus E. HITCHCOCK, 1841
= Argoides macrodactylum (E. HITCHCOCK, 1845)
= Platypterna macrodactylotus E. HITCHCOCK, 1845
Holotype: Amherst collection 37/17
Locality: Wethersfield, Harford Basin, 41°43’22”, 72°39’16”, Hartford County, Conneticut.
Horizon: Portland Formation.
Biostratigraphy:
Age: Late Triassic.
Material: Tridactyle tracks of a bipedal animal.
Referred material:
Localities: Turners Falls, Chicopee, Mass, and Wethersfield Conn.
= Argozoum dispari-digitatum E. HITCHCOCK, 1848
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Species: redfieldii (E. HITCHCOCK, 1844)
Etymology:
= Ornithoidichnites redfieldii E. HITCHCOCK, 1844
= Argoides redfieldianus (E. HITCHCOCK, 1844) E. HITCHCOCK, 1845
= Argozoum redfieldianum (E. HITCHCOCK, 1844) E. HITCHCOCK, 1848
= Argoides redfieldianus (E. HITCHCOCK, 1844) LULL, 1904
Holotype: Amherst collection 14/2, 14/3, 14/9
Locality: Chicopee Falls, Massachusetts.
Horizon:
Biostratigraphy:
Age: Late Triassic.
Material: Tridactyle tracks of a bipedal animal.
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Inchnospecies: robustus HITCHICOCK, 1845
Etymology: Latin, robustus, "robust, strong."
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