Where: Rock Island County, illinois (41.0° N, 90.0° W: paleocoordinates 9.6° S, 30.1° W)

• coordinate estimated from map

When: Carboniferous (358.9 - 298.9 Ma)

Environment/lithology:

Primary reference: R. L. Leary. 1980. Lacoea whit sporangia and calamospora spores from Rock Island, Illinois. Review of Palaeobotany and Palynology 29:23-28 [R. Gastaldo/R. Gastaldo/R. Gastaldo]more details

PaleoDB collection 25266: authorized by Robert Gastaldo, entered by Robert Gastaldo on 05.09.2002, edited by Alycia Stigall

Creative Commons license: CC BY (attribution)