Mazon Creek (Illinois State Museum collection) (Carboniferous of the United States)

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

• Illinois basin
• ironstone concretions

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
 Trigonotarbida - Eophrynidae
Pleophrynus ensifer n. gen. n. sp.4
Pleophrynus ensifer n. gen. n. sp.4 Petrunkevitch 1945
ISM 14873
 Phalangiotarbida - Architarbidae
Architarbus rotundatus4 Scudder 1868 phalangiotarbid
ISM 14871
Orthotarbus robustus n. sp.4 Petrunkevitch 1945 phalangiotarbid
ISM 14863, 14865, 14867, 14874, 14878
Discotarbus deplanatus4 Petrunkevitch 1913 phalangiotarbid
ISM 14869
Paratarbus carbonarius n. gen. n. sp.4 Petrunkevitch 1945 phalangiotarbid
ISM 14864
Ootarbus pulcher n. gen. n. sp.4 Petrunkevitch 1945 phalangiotarbid
ISM 14861, 14868, 14870
Ootarbus ovatus n. sp.4 Petrunkevitch 1945 phalangiotarbid
ISM 14866
 Ricinulei - Curculioididae
"Curculioides gracilis n. sp." = Amarixys gracilis4
"Curculioides gracilis n. sp." = Amarixys gracilis4 Petrunkevitch 1945 hooded tickspider
ISM 14862 (Langford collection)
Malacostraca
 Palaeocaridacea - Palaeocarididae
Palaeocaris typus3 Meek and Worthen 1865
ISM 14833, 14842, 14845, 14846 14849
Myriapoda
 Pleurojulida - Pleurojulidae
Pleurojulus cf. biornatus5 Fritsch 1899 millipede
ISM 14855
Insecta
 Dicondylia - Syntonopteridae
Lithoneura mirifica n. sp. Carpenter 1943 winged insect
ISM 14880 (Langford collection)
Syntonoptera schucherti Handlirsch 1911 winged insect
ISM 14881 (Langford collection)
 Meganisoptera -
Dragonympha srokai n. gen. n. sp.1
Dragonympha srokai n. gen. n. sp.1 Kukalova-Peck 2009 griffinfly
ISM 004 ab
 Palaeodictyoptera - Homoiopteridae
Thesoneura americana n. gen. n. sp.
Thesoneura americana n. gen. n. sp. Carpenter 1943 winged insect
ISM 14876 (Langford collection)
 Paoliida - Anthracoptilidae
Adiphlebia lacoana2 Scudder 1885 winged insect
ISM 14886a, 14890
 Cnemidolestodea - Parmapteridae
Heterologus langfordorum n. gen. n. sp.
Heterologus langfordorum n. gen. n. sp. Carpenter 1943 winged insect
ISM 14879 (Langford collection)
 Protorthoptera - Eucaenidae
"Teneopteron mirabile n. gen. n. sp." = Eucaenus ovalis
"Teneopteron mirabile n. gen. n. sp." = Eucaenus ovalis Scudder 1885 winged insect
ISM 14887