Pit 11, Braidwood, Mazon Creek (Herdina coll) (Carboniferous of the United States)

Where: Illinois (41.2° N, 88.2° W: paleocoordinates 4.8° S, 23.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Francis Creek Shale Member (Carbondale Formation), Westphalian D (309.8 - 307.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified, concretionary, ferruginous mudstone

• Illinois basin
• ironstone concretions

Size class: macrofossils

Preservation: mold/impression, concretion

Collected by Jerry Herdina; reposited in the FMNH

Primary reference: F. M. Carpenter and E. S. Richardson. 1971. Additional insects in Pennsylvanian concretions from Illinois. Psyche 78:267-295 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122538: authorized by Matthew Clapham, entered by Matthew Clapham on 02.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
"Metazoa indet." = Animalia4
"Metazoa indet." = Animalia4 Linnaeus 1758
H124
Priapulidae
  - Priapulidae
Priapulites konecniorum5
Priapulites konecniorum5 Schram 1973
H125
Insecta
 Protorthoptera - Herdinidae
Herdina mirificus n. gen. n. sp.
Herdina mirificus n. gen. n. sp. Carpenter and Richardson 1971 winged insect
H412
 Protorthoptera - Eucaenidae
Eucaenus ovalis2
Eucaenus ovalis2 Scudder 1885 winged insect
FMNH PE 31959 (H417), 32065 (H212), 32067 (H213)
 Palaeodictyoptera - Lycocercidae
Lycodemas adolescens n. gen. n. sp., Lycodemas cf. adolescens
Lycodemas adolescens n. gen. n. sp. Carpenter and Richardson 1971 winged insect
H413
Lycodemas cf. adolescens Carpenter and Richardson 1971 winged insect
H110
 Megasecoptera - Mischopteridae
Mischoptera douglassi1
Mischoptera douglassi1 Carpenter and Richardson 1968 winged insect
No. 411
Arachnida
 Scorpiones - Kronoscorpionidae
Kronoscorpio danielsi3
Kronoscorpio danielsi3 Petrunkevitch 1913 scorpion
FMNH PE 32085 (formerly H563)
1Carpenter and Richardson 1968; 2Carpenter and Richardson 1976; 3Kjellesvig-Waering 1986; 4McCoy et al. 2023; 5Schram 1973