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 (201.6 - 189.6 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. William White, Printer, Boston 1-214 [M. Carrano/M. Carrano/M. Carrano] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52987: authorized by Matt Carrano, entered by Matt Carrano on 30.08.2005
Creative Commons license: CC BY (attribution)