Where: Maryland (39.0° N, 76.9° W)

• Paleocoordinates: 37.8° N, 18.3° W (Wright 2013)

• coordinate stated in text

• small collection-level geographic resolution

When: Patuxent Formation (Potomac Group), Early/Lower Aptian to Early/Lower Aptian (121.4 - 109.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: fluvial; claystone

Size class: mesofossils

Preservation: adpression

Collection methods: bulk, hydroflouric, sieve

Primary reference: J. E. Skog. 1982. Pelletixia amelguita, a New Species of Fossil Fern in the Potomac Group (Lower Cretaceous). American Fern Journal 72(4):115-121 [S. Wing/N. Jud]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121895: authorized by Scott Wing, entered by Nathan Jud on 12.12.2011

Creative Commons license: CC0 (CC0)