Roswell Field's Orchard, Gill (Jurassic to of the United States)

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

• red sandstone, '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
  -
Bisulcus undulatus
  -
Bisulcus undulatus n. sp.2 Hitchcock 1862
Reptilia
 Testudinata -
"Helcura caudata" = Helcura littoralis2
"Helcura caudata" = Helcura littoralis2 Hitchcock 1848 turtle
  -
Xiphopeza triplex2 Hitchcock 1848 dinosaur
 Saurischia -
"Argozoum paridigitatum" = Argoides minimus2
"Argozoum paridigitatum" = Argoides minimus2 Hitchcock 1836 saurischian
numerous
 Saurischia - Sauropodidae
"Sauroidichnites barrattii n. sp." = Sauropus barrattii3
"Sauroidichnites barrattii n. sp." = Sauropus barrattii3 Hitchcock 1837 theropod
 Saurischia - Eubrontidae
Grallator cuneatus2, ? Grallator formosus3, Grallator gracilis4, "Hyphepus fieldi" = Eubrontes fieldi2, "Brontozoum tuberatum" = Eubrontes tuberatus2, "Brontozoum sillimanium" = Eubrontes sillimani2, "Amblonyx giganteus n. gen. n. sp." = Eubrontes platypus, "Amblonyx lyellianus" = Eubrontes lyellii, "Anomoepus major n. sp." = Eubrontes lyellii, "Grallator cursorius" = Eubrontes cursorius, "Grallator parallelus n. sp." = Eubrontes cursorius2, "Brontozoum validum" = Anchisauripus tuberosus2, "Brontozoum exsertum" = Anchisauripus exsertus2
Grallator cuneatus2 Hitchcock 1858 theropod
? Grallator formosus3 Hitchcock 1858 theropod
Grallator gracilis4 Hitchcock 1837 theropod
"Hyphepus fieldi" = Eubrontes fieldi2 Hitchcock 1858 theropod
"Brontozoum tuberatum" = Eubrontes tuberatus2 Hitchcock 1858 theropod
"Brontozoum sillimanium" = Eubrontes sillimani2 Hitchcock 1843 theropod
"Amblonyx giganteus n. gen. n. sp." = Eubrontes platypus Hitchcock 1858 theropod
"Amblonyx lyellianus" = Eubrontes lyellii Hitchcock 1843 theropod
"Anomoepus major n. sp." = Eubrontes lyellii Hitchcock 1843 theropod
"Grallator cursorius" = Eubrontes cursorius Hitchcock 1858 theropod
"Grallator parallelus n. sp." = Eubrontes cursorius2 Hitchcock 1858 theropod
"Brontozoum validum" = Anchisauripus tuberosus2 Hitchcock 1836 theropod
"Brontozoum exsertum" = Anchisauripus exsertus2 Hitchcock 1858 theropod
 Saurischia -
Platypterna varica2 Hitchcock 1858 saurischian
Platypterna digitigrada n. sp. Hitchcock 1858 saurischian
 Neornithischia - Anomoepodidae
Corvipes lacertoideus2 Hitchcock 1858 bird foot dinosaur
 Neornithischia - Moyenisauropodidae
Anomoepus sp.2, "Anomoepus scambus" = Anomoepus scambus3, "Anomoepus intermedius" = Anomoepus scambus2, "Anomoepus minor" = Anomoepus scambus2, "Anomoepus gracillimus" = Anomoepus scambus2, "Anomoepus minimus n. sp." = Anomoepus scambus1, "Apatichnus circumagens" = Anomoepus scambus2, "Anomoepus ? curvatus" = Anomoepus scambus2
Anomoepus sp.2 Hitchcock 1848 bird foot dinosaur
"Anomoepus scambus" = Anomoepus scambus3 Hitchcock 1848 bird foot dinosaur
"Anomoepus intermedius" = Anomoepus scambus2 Hitchcock 1848 bird foot dinosaur
"Anomoepus minor" = Anomoepus scambus2 Hitchcock 1848 bird foot dinosaur
"Anomoepus gracillimus" = Anomoepus scambus2 Hitchcock 1848 bird foot dinosaur
"Anomoepus minimus n. sp." = Anomoepus scambus1 Hitchcock 1848 bird foot dinosaur
"Apatichnus circumagens" = Anomoepus scambus2 Hitchcock 1848 bird foot dinosaur
"Anomoepus ? curvatus" = Anomoepus scambus2 Hitchcock 1848 bird foot dinosaur
  -
"Plectropterna angusta n. sp." = Tarsoplectrus angustus
"Plectropterna angusta n. sp." = Tarsoplectrus angustus Hitchcock 1858 dinosaur
 Pseudosuchia - Batrachopodidae
"Anisopus gracilis" = Batrachopus gracilis, "Apatichnus bellus n. sp." = Batrachopus bellus, "Anisopus deweyanus" = Batrachopus deweyi2, "Exocampe minima n. sp." = Batrachopus deweyi2, "Arachichnus dehiscens n. gen. n. sp." = Batrachopus deweyi2, "Orthodactylus linearis n. sp." = Batrachopus deweyi, "Stenodactylus curvatus n. gen. n. sp." = Batrachopus deweyi, "Orthodactylus sp." = Batrachopus2
"Anisopus gracilis" = Batrachopus gracilis Hitchcock 1845 archosaur
"Apatichnus bellus n. sp." = Batrachopus bellus Hitchcock 1858 archosaur
"Anisopus deweyanus" = Batrachopus deweyi2 Hitchcock 1843 archosaur
"Exocampe minima n. sp." = Batrachopus deweyi2 Hitchcock 1843 archosaur
"Arachichnus dehiscens n. gen. n. sp." = Batrachopus deweyi2 Hitchcock 1843 archosaur
"Orthodactylus linearis n. sp." = Batrachopus deweyi Hitchcock 1843 archosaur
"Stenodactylus curvatus n. gen. n. sp." = Batrachopus deweyi Hitchcock 1843 archosaur
"Orthodactylus sp." = Batrachopus2 Hitchcock 1845 archosaur
Osteichthyes
  -
Plectropterna minitans2 Hitchcock 1837 tetrapod
Plectropterna lineans Hitchcock 1858 tetrapod
Plectropterna gracilis n. sp. Hitchcock 1858 tetrapod
unclassified
  -
 Vermes -
Cunicularius retrahens2, "Unisulcus marshi" = Herpystezoum2, "Unisulcus minutus" = Herpystezoum2
"Unisulcus marshi" = Herpystezoum2
"Unisulcus minutus" = Herpystezoum2
many