Where: Hartford County, Connecticut (41.9° N, 72.6° W: paleocoordinates 23.6° 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)

• 18 feet below top of rock outcrop

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained, red sandstone

Size class: macrofossils

Collected by S. Ellsworth Jr. & N. Smith in 1818; reposited in the YPM

Collection methods: salvage, mechanical,

• discovered while blasting for well, collected by Solomon Ellsworth, Jr.

Primary reference: N. Smith. 1820. Fossil bones found in red sandstone. The American Journal of Science and Arts 2:146-147 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47200: authorized by Matthew Carrano, entered by Matthew Carrano on 18.02.2005, edited by Mark Uhen

Creative Commons license: CC BY (attribution)