Where: Illinois (41.3° N, 88.2° W: paleocoordinates 4.7° 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
Collection methods: Repository: collection of Mr. David Douglass, Western Springs, Illinois
Primary reference: F. M. Carpenter and E. S. Richardson. 1968. Megasecopterous nymphs in Pennsylvania concretions from Illinois. Psyche 75(4):295-309 [C. Labandeira/C. Labandeira/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 161914: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
Mischoptera douglassi n. sp.
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