Where: Iowa (42.4° N, 92.4° W: paleocoordinates 31.2° S, 37.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: norrisi and MN 1-2 conodont zone, Lithograph City Formation (Cedar Valley Group), Givetian to Givetian (387.7 - 372.2 Ma)

• group-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: J. Day. 1996. Faunal signatures of Middle-Upper Devonian depositional sequences and sea level fluctuations in the Iowa Basin: US Midcontinent. Paleozoic Sequence Stratigraphy: Views from the North America Craton: Boulder, Colorado, Geological Society of America Special Paper 306 306:277-300 [A. Miller/J. Zambito/J. Zambito]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 93848: authorized by Arnold Miller, entered by Jay Zambito on 04.02.2010

Creative Commons license: CC BY (attribution)