Columbia, Knowlton Township (Ordovician of the United States)

Where: Warren County, New Jersey (41.0° N, 75.1° W: paleocoordinates 32.5° S, 70.7° W)

• outcrop-level geographic resolution

When: Stonehenge Formation (Beekmantown Group), Gasconadian (485.4 - 477.7 Ma)

• Originally given as upper Kittatinny Limestone; Kittatinny is now considered a supergroup including the Beekmantown, with Stonehenge being the upper limestone.

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: J. Bridge and G.H. Girty. 1937. A redescription of Ferdinand Roemer's Paleozoic types from Texas. United States Geological Survey Professional Paper 186(M):239-271 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119379: authorized by Pete Wagner, entered by Pete Wagner on 24.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Ophiletidae
"Polygyrata sinistra n. gen. n. sp." = Ophileta polygyratus
"Polygyrata sinistra n. gen. n. sp." = Ophileta polygyratus Roemer 1849 snail