Where: Hampden County, Massachusetts (42.0° N, 72.6° W: paleocoordinates 23.8° N, 18.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Portland Formation (Agawam Group), Hettangian to Hettangian (201.3 - 190.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: R. S. Lull. 1915. Triassic life of the Connecticut Valley. State of Connecticut State Geological and Natural History Survey Bulletin 24:1-285 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91751: authorized by Matthew Carrano, entered by Matthew Carrano on 19.10.2009

Creative Commons license: CC BY (attribution)