Also known as Lull 6A
Where: Franklin County, Massachusetts (42.6° N, 72.5° W: paleocoordinates 24.3° N, 18.7° W)
• coordinate stated in text
• 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; red sandstone and shale
Size class: macrofossils
Preservation: cast, mold/impression, trace
Collected by D. Marsh, E. Hitchcock in 1830s-1855
Collection methods: quarrying, surface (in situ), peel or thin section,
Primary reference: E. Hitchcock. 1858. Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts xii-214 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52987: authorized by Matthew Carrano, entered by Matthew Carrano on 30.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
Saltator bipedatus n. sp., Sphaerapus magnus2, Sphaerapus larvalis2, Stratipes latus n. gen. n. sp.2, Plantae indet.2, Coniferophyta indet.2
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| Reptilia | |
Plectropterna gracilis n. sp., Plectropterna angusta n. sp., Plectropterna minitans2, Plectropterna lineans, Xiphopeza triplex2
Plectropterna gracilis n. sp. Hitchcock 1858 dinosaur
Plectropterna angusta n. sp. Hitchcock 1858 dinosaur
Plectropterna lineans Hitchcock 1858 dinosaur | |
"Sauroidichnites barrattii n. sp." = Sauropus barrattii3
| |
"Hyphepus fieldi" = Eubrontes fieldi2, "Amblonyx giganteus n. gen. n. sp." = Eubrontes platypus, "Amblonyx lyellianus" = Eubrontes lyellii, "Brontozoum tuberatum" = Eubrontes minusculus2, "Brontozoum sillimanium" = Eubrontes sillimani2, "Grallator cursorius" = Grallator cursorius, "Grallator parallelus n. sp." = Grallator cursorius2, "? Grallator formosus" = Grallator tenuis3, "Grallator cuneatus" = Grallator tenuis2, "Grallator gracilis" = Grallator tuberosus4, "Brontozoum exsertum" = Grallator tuberosus2, "Brontozoum validum" = Grallator tuberosus2
"Amblonyx giganteus n. gen. n. sp." = Eubrontes platypus Hitchcock 1858 theropod
"Amblonyx lyellianus" = Eubrontes lyellii Hitchcock 1843 theropod
"Grallator cursorius" = Grallator cursorius Hitchcock 1858 theropod | |
"Platypterna varica" = Platypterna concamerata2, Platypterna digitigrada n. sp., "Argozoum paridigitatum" = Argoides minimus2
Platypterna digitigrada n. sp. Hitchcock 1858 saurischian | |
Anomoepus sp.2, "Anomoepus scambus" = Anomoepus scambus3, "Anomoepus minimus n. sp." = Anomoepus scambus1, "Apatichnus circumagens" = Anomoepus scambus2, "Anomoepus minor" = Anomoepus scambus2, "Anomoepus gracillimus" = Anomoepus scambus2, "Anomoepus intermedius" = Anomoepus scambus2, "Anomoepus ? curvatus" = Anomoepus scambus2, Anomoepus major n. sp., "Corvipes lacertoideus" = Anomoepus lacertoideus2
Anomoepus major n. sp. Hitchcock 1858 ornithopod | |
"Anisopus gracilis" = Batrachopus gracilis, "Orthodactylus sp." = Batrachopus2, "Anisopus deweyanus" = Batrachopus deweyi2, "Stenodactylus curvatus n. gen. n. sp." = Batrachopus deweyi, "Exocampe minima n. sp." = Batrachopus deweyi2, "Arachichnus dehiscens n. gen. n. sp." = Batrachopus deweyi2, "Orthodactylus linearis n. sp." = Batrachopus deweyi, "Apatichnus bellus n. sp." = Batrachopus bellus
"Anisopus gracilis" = Batrachopus gracilis Hitchcock 1845 aetosaur
"Stenodactylus curvatus n. gen. n. sp." = Batrachopus deweyi Hitchcock 1843 aetosaur
"Orthodactylus linearis n. sp." = Batrachopus deweyi Hitchcock 1843 aetosaur
"Apatichnus bellus n. sp." = Batrachopus bellus Hitchcock 1858 aetosaur | |
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| Bisulcus undulatus | |
Bisulcus undulatus n. sp.2
Bisulcus undulatus n. sp.2 Hitchcock 1862 | |