Smith's Ferry tracksite (Jurassic of the United States)

Also known as Lull 16, Northampton

Where: Hampden County, Massachusetts (42.3° N, 72.6° W: paleocoordinates 23.0° N, 19.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: East Berlin Formation (Meriden Group), Hettangian (201.3 - 199.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; coarse-grained, micaceous, gray sandstone

• "flagstone"; gray 'grit' and coarse micaceous sandstone

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by D. Marsh in 1835-1854

Collection methods: quarrying,

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: general faunal/floral analysis

PaleoDB collection 53024: authorized by Matthew Carrano, entered by Matthew Carrano on 01.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Eubrontidae
"Brontozoum giganteum n. sp." = Eubrontes giganteus1, "Brontozoum approximatum" = Eubrontes (Brontozoum) approximatus1, Grallator cuneatus1, Grallator formosus3, "Brontozoum sillimanium" = Eubrontes sillimani1, "Brontozoum validum" = Anchisauripus tuberosus1, "Anchisauripus minusculus" = Grallator (Anchisauripus) minusculus2, "Brontozoum exsertum n. sp." = Anchisauripus exsertus1
"Brontozoum giganteum n. sp." = Eubrontes giganteus1 Hitchcock 1836 theropod
"Brontozoum approximatum" = Eubrontes (Brontozoum) approximatus1 Hitchcock 1865 theropod
Grallator cuneatus1 Hitchcock 1858 theropod
Grallator formosus3 Hitchcock 1858 theropod
"Brontozoum sillimanium" = Eubrontes sillimani1 Hitchcock 1843 theropod
"Brontozoum validum" = Anchisauripus tuberosus1 Hitchcock 1836 theropod
"Anchisauripus minusculus" = Grallator (Anchisauripus) minusculus2 Hitchcock 1837 theropod
"Brontozoum exsertum n. sp." = Anchisauripus exsertus1 Hitchcock 1858 theropod
Clathropteris sp.1 Brongniart 1828