Where: Minnesota (46.0° N, 94.0° W: paleocoordinates 16.4° S, 60.7° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Clermont Member (Maquoketa Formation), Maysvillian (450.2 - 449.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: limestone

Size class: microfossils

Collection methods: chemical,

Primary reference: F. M. Swain. 1987. Middle and Upper Ordovician Ostracoda of Minnesota and Iowa. In R. E. Sloan (ed.), Minnesota Geological Survey Report of Investigations 35:99-101 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23196: authorized by Steven Holland, entered by Tori Hanson on 10.07.2002

Creative Commons license: CC BY (attribution)