Mazon Creek (Carboniferous of the United States)

Where: Grundy County, Illinois (41.0° N, 88.0° W: paleocoordinates 6.0° S, 24.2° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Francis Creek Shale Member (Carbondale Formation), Westphalian (318.1 - 306.9 Ma)

Environment/lithology: fluvial; shale

Size class: macrofossils

Preservation: concretion

Primary reference: H. W. Pfefferkorn. 1979. High diversity and stratigraphic age of the Mazon Creek flora (In M. Nitcki (ed.)). Mazon Creek Fossils. University of Chicago Press, Chicago, IL USA 129-142 [H. Sims/S. Ostrowski]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 11189: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Heather Lindon, Mark Uhen, Martin Smith and Roy Plotnick

Creative Commons license: CC BY (attribution)

Taxonomic list

• Pfefferkorn 1979 compiled a list of genera (all plant organs) to compare Mazon Creek diversity to 3 other localities of similar age. This is a very general list integrating all MC pits, so need to add more Mazon Creek collections that parse out the taxon occurrences by pit. Check with Pfefferkorn to see if he has such data. Also Noe's papers.
unclassified
  -
Peltaspermopsida
 Peltaspermales - Peltaspermaceae
Odontopteris sp. Brongniart 1825
 Radiatopses - Medullosaceae
Mariopteris sp. Zeiller 1879
Neuropteris sp. Brongniart 1828
Asolanus
  -
Asolanus sp. Wood 1860
Desmopteris
  -
Desmopteris sp. Stur 1883
Alloiopteris
  -
Alloiopteris sp. Potonie 1897
Sphenopteridae
  - Sphenopteridae
Sphenopteris sp. Sternberg 1825
Callipteridium
  -
Callipteridium sp. Weiss 1870
Dactylotheca
  -
Dactylotheca sp. Zeiller 1883
Pteridopsida
 Filicales -
Palmatopteris sp. Potonie 1893
Polypodiopsida
  - Gleicheniaceae
Oligocarpia sp. Goeppert 1841
 Marattiales - Marattiidae
Ptychocarpus sp. Weiss 1869
Zeilleria sp. Kidston 1884
Renaultia sp. Stur 1883
 Hymenophyllales - Polypodiidae
Eusphenopteris sp. Weiss 1882
 Schizaeales - Polypodiidae
Senftenbergia sp. Corda 1845
 Equisetales - Equisetidae
Asterophyllites sp. Brongniart 1828
Annularia sp. Sternberg 1821
  - Osmundaceae
Stellatheca sp. Danzea 1956
Pteropsida
 Filicinae -
Pecopteris sp. Brongniart 1822
"Alethopteris sp." = Pecopteris (Alethopteris) Sternberg 1825
Myriotheca
  -
Myriotheca sp. Zeiller 1883
Neuropteridae
  - Neuropteridae
Linopteris sp. Presl 1838
Sigillariaceae
  - Sigillariaceae
Sigillaria sp. Brongniart 1822
 Lepidodendrales - Lepidodendraceae
Lepidodendron sp. Sternberg 1820
Lepidophloios sp. Sternberg 1825
Crossotheca
  -
Crossotheca sp. Zeiller 1883
Ginkgoopsida
 Callistophytales -
Dicksonites sp. Sterzel 1883
Pinopsida
 Cordaitanthales -
Cordaites sp. Unger 1850
 Hallucishaniids -
Carbotubulus waloszeki2 Haug et al. 2012
Euchelicerata
 Eurypterida - Adelophthalmidae
Adelophthalmus mazonensis3 Meek and Worthen 1868 eurypterid
Myxini
 Myxiniformes -
Myxinikela siroka n. gen. n. sp.1
Myxinikela siroka n. gen. n. sp.1 Bardack 1991 hagfish