Also known as Maceration 2824
Where: Johnson Co. County, Illinois (37.5° N, 88.8° W: paleocoordinates 8.9° S, 26.5° W)
When: Racoon Creek Group, Early/Lower Pennsylvanian to Early/Lower Pennsylvanian (323.2 - 307.0 Ma)
• Underlying the limestone containing Late Morrowan or Early Atokan Conodonts
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•On Pepper's "Palynological Correlation of Major Pennsylvanian Chronostratigraphic Boundaries in the Illinois and Other Coal Basins" chart, the unnamed Illinois coal beds are grouped together.
Environment/lithology: terrestrial; coal
Size class: microfossils
Preservation: coalified
Primary reference: R. A. Peppers. 1996. Palynological Correlation of major Pennsylvanian (Middle and Upper Carboniferous) chronostratigraphic boundaries in the Illinois and other coal basins. Geological Society of America Memoir 188:1-111 [R. Plotnick/R. Plotnick]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 127313: authorized by Roy Plotnick, entered by Jennifer Bauer on 09.05.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
Granulatispoites piroformis, Spackmanites habibii, Ahrenisporites guerickei, Savitrisporites nux, Grumosisporites varioreticulatus, Crassispora kosankei, Granasporites medius, Renisporites confossus, Vestispora cf. fenestrata, Vestispora laevigata, Vestispora pseudoreticulata, Wilsonites delicatus, Wilsonites vesicatus, Quasillinites diversiformis, Trihyphaecites triangulatus
| |
| Cristatisporites | |
| Triquitrites | |
| Knoxisporites | |
| Densosporites | |
| Raistrickia | |
| Sphenopsida | |
| Lophotriletes | |
| Cyclogranisporites | |
| Polypodiopsida | |
|
Convolutispora sp. Hoffmeister et al. 1955 | |
| Lycopsida | |
| Microreticulatisporites | |
| Pilosisporites | |
| Pteridopsida | |
| Punctatisporites | |
| Endosporites | |
| Potonieisporites | |