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
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
unclassified | |
"Metazoa indet." = Animalia4
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Priapulidae | |
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Insecta | |
Herdina mirificus n. gen. n. sp.
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Lycodemas adolescens n. gen. n. sp., Lycodemas cf. adolescens
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Arachnida | |
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