Shumway Cyclothem, Mattoon Fm., Unit 7 ( of the United States)

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 -
"Foraminiferida indet." = Foraminifera
"Foraminiferida indet." = Foraminifera Eichwald 1830 foram
calcareous and encrusting
 Fusulinoidea - Schwagerinidae
Anthozoa
 Stauriida - Lophophyllidae
Lophophyllidium proliferum McChesney 1860 horn coral
Cephalopoda
 Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras knoxense McChesney 1859
Gastropoda
 Murchisoniina - Portlockiellidae
Shansiella ? broadheadi White 1880 snail
 Bellerophontida - Euphemitidae
Euphemites carbonarius Cox 1857 snail
Bivalvia
 Pholadomyida - Chaenomyidae
Chaenomya sp. Meek 1864 clam
 Carditida - Astartidae
Astartella concentrica Conrad 1842 clam
Strophomenata
 Orthotetida - Derbyiidae
"Derbya ? crassa" = Derbyia crassa
"Derbya ? crassa" = Derbyia crassa Meek and Hayden 1858
 Productida - Paucispiniferidae
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
Rhynchonellata
 Spiriferida - Ambocoeliidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
fenestellid
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Trilobita
 Proetida - Phillipsiidae
Ditomopyge scitula Meek and Worthen 1865 trilobite
Echinoidea
  - Archaeocidaridae
? Archaeocidaris sp. M'Coy 1844 sea urchin
unclassified
  -
Pelmatozoa indet. Leuckart 1848
columnals