Where: Grundy County, Illinois (41.3° N, 88.2° W: paleocoordinates 4.7° S, 23.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Francis Creek Shale Member (Carbondale Formation), Westphalian D (309.8 - 307.5 Ma)
Environment/lithology: deltaic; lithified, concretionary, ferruginous mudstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: Repository: Illinois State Museum. Many specimens are from a large collection of nodules collected by George Langford Sr. and George Langford Jr.
Primary reference: F. M. Carpenter. 1943. Carboniferous insects from the vicinity of Mazon Creek, Illinois. Illinois State Museum, Scientific Papers 3(1):9-24 [C. Labandeira/C. Labandeira/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133734: authorized by Matthew Clapham, entered by Matthew Clapham on 26.09.2012, edited by Lindy Edwards
Creative Commons license: CC BY (attribution)
Taxonomic list
Arachnida | |
Pleophrynus ensifer n. gen. n. sp.4
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Architarbus rotundatus4, Orthotarbus robustus n. sp.4, Discotarbus deplanatus4, Paratarbus carbonarius n. gen. n. sp.4, Ootarbus pulcher n. gen. n. sp.4, Ootarbus ovatus n. sp.4
Orthotarbus robustus n. sp.4 Petrunkevitch 1945 phalangiotarbid ISM 14863, 14865, 14867, 14874, 14878
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"Curculioides gracilis n. sp." = Amarixys gracilis4
"Curculioides gracilis n. sp." = Amarixys gracilis4 Petrunkevitch 1945 hooded tickspider ISM 14862 (Langford collection)
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Malacostraca | |
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Myriapoda | |
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Insecta | |
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Dragonympha srokai n. gen. n. sp.1
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Thesoneura americana n. gen. n. sp.
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Heterologus langfordorum n. gen. n. sp.
Heterologus langfordorum n. gen. n. sp. Carpenter 1943 winged insect ISM 14879 (Langford collection)
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"Teneopteron mirabile n. gen. n. sp." = Eucaenus ovalis
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