Where: Effingham County, Illinois (39.1° N, 88.6° W: paleocoordinates 4.5° S, 22.8° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Lower Limestone Member (Mattoon Formation), Virgilian (303.4 - 298.9 Ma)
• Unit 7, 20-30 cm thick
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, argillaceous limestone
Size classes: macrofossils, microfossils
Primary reference: M. H. Scheihing and R. L. Langenheim, Jr. 1980. Brachiopods of the suborder Strophomenidina from the Shumway Cyclothem, Mattoon Formation, Virgilian of Illinois. Journal of Paleontology 54(5):1017-1034 [W. Kiessling/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 49833: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 28.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
"Foraminiferida indet." = Foraminifera
| |
Anthozoa | |
Lophophyllidium proliferum McChesney 1860 horn coral | |
Cephalopoda | |
Pseudorthoceras knoxense McChesney 1859 | |
Gastropoda | |
Shansiella ? broadheadi White 1880 snail | |
Euphemites carbonarius Cox 1857 snail | |
Bivalvia | |
Chaenomya sp. Meek 1864 clam | |
Astartella concentrica Conrad 1842 clam | |
Strophomenata | |
"Derbya ? crassa" = Derbyia crassa
"Derbya ? crassa" = Derbyia crassa Meek and Hayden 1858 | |
"Juresania nebrascensis" = Parajuresania nebrascensis
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852 | |
Rhynchonellata | |
Crurithyris planoconvexa Shumard 1855 | |
Bryozoa | |
| |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Trilobita | |
Ditomopyge scitula Meek and Worthen 1865 trilobite | |
Echinoidea | |
? Archaeocidaris sp. M'Coy 1844 sea urchin | |
unclassified | |
|