Also known as Lull 34, 35
Where: Middlesex County, Connecticut (41.7° N, 72.6° W: paleocoordinates 23.4° N, 18.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Portland Formation (Agawam Group), Hettangian to Hettangian (201.3 - 190.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; gray, red shale and micaceous sandstone
Size class: macrofossils
Preservation: cast, mold/impression, trace
Collected by Hitchcock, Marsh in the 1840s-1870s
Collection methods: quarrying, surface (in situ),
Primary reference: E. Hitchcock. 1836. Ornithichnology - description of the foot marks of birds, (Ornithichnites) on new Red Sandstone in Massachusetts. The American Journal of Science and Arts 29(2):307-340 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 53023: authorized by Matthew Carrano, entered by Matthew Carrano on 01.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Ornithoidichnites tetradactylus n. sp." = Sillimanius tetradactylus, "Ornithopus gallinaceus" = Sillimanius tetradactylus3
"Ornithoidichnites tetradactylus n. sp." = Sillimanius tetradactylus Hitchcock 1836 reptile | |
"Harpedactylus sp." = Platypterna4, "Sauroidichnites tenuissimus n. sp." = Harpedactylus tenuissimus2, Platypterna tenuis4, "Ornithoidichnites deanii" = Platypterna deanii4, "Plesiornis aequalipes n. sp." = Argoides minimus3, "Argozoum paridigitatum" = Argoides minimus3, "Ornithoidichnites macrodactylus n. sp." = Argoides macrodactylus1, "Argozoum disparidigitatum" = Argoides macrodactylus3
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Plectropterna sp.4, Plectropterna minitans2, Plectropterna ? minitans4, Plectropterna gracilis4, Plectropterna lineans4, Plectropterna elegans n. sp.5
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"Brontozoum sillimanium" = Eubrontes sillimani4, "Brontozoum ? sillimanium" = Eubrontes sillimani4, "Eubrontes giganteus" = Eubrontes giganteus6, "Eubrontes divaricatus" = Eubrontes giganteus6, "Anchisauripus tuberosus" = Grallator tuberosus6, "Anchisauripus exsertus" = Grallator tuberosus6, Grallator cursorius3, "Grallator tenuis" = Grallator tenuis6, "Grallator cuneatus" = Grallator tenuis4, "Grallator formosus" = Grallator tenuis4
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"Palamopus rogersi" = Batrachopus deweyi6, "Macropterna rhynchosauroidea" = Batrachopus deweyi2, "Macropterna vulgaris" = Batrachopus deweyi4, "Exocampe ornata" = Batrachopus deweyi7, "Arachichnus dehiscens" = Batrachopus deweyi7, "Macropterna divaricans" = Palamopus divaricans3
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"Sauroidichnites heteroclitus" = Ancyropus heteroclitus4
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Steropoides diversus6, Steropoides infelix6, "Steropoides divaricatus" = Steropoides divaricatus7, "Ornithopus loripes" = Steropoides divaricatus2, "Tridentipes insignis" = Steropoides divaricatus3
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Amphibia | |
"Sauroidichnites emmonsii n. sp." = Triaenopus emmonsii1, "Sauroidichnites baileyi n. sp." = Triaenopus emmonsii1
"Sauroidichnites emmonsii n. sp." = Triaenopus emmonsii1 Hitchcock 1841 tetrapod later renamed Triaenopus leptodactylus
"Sauroidichnites baileyi n. sp." = Triaenopus emmonsii1 Hitchcock 1841 tetrapod later renamed Triaenopus leptodactylus
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Ichnolites | |
Ornithoidichnites gracillior n. sp.2
Ornithoidichnites gracillior n. sp.2 |