Denson site, UCM locality 2007238 (Eocene of the United States)

Where: Colorado (39.5° N, 108.0° W: paleocoordinates 43.3° N, 94.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Parachute Creek Member (Green River Formation), Bridgerian (50.3 - 46.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified lime mudstone

• Laramide-style block faulting

Size class: macrofossils

Preservation: adpression

Reposited in the UCM

Primary reference: T. Spasojevic, G. R. Broad, A. M. R. Bennett and S. Klopfstein. 2018. Ichneumonid parasitoid wasps from the Early Eocene Green River Formation: five new species and a revision of the known fauna (Hymenoptera, Ichneumonidae). PalZ 92:35-63 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 192071: authorized by Matthew Clapham, entered by Matthew Clapham on 06.03.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Hymenoptera - Ichneumonidae
Ichninsum appendicrassum n. gen. n. sp.
Ichninsum appendicrassum n. gen. n. sp. Spasojevic et al. 2018 ichneumon wasp
UCM 39378
 Raphidioptera - Raphidiidae
Archiinocellia protomaculata1
Archiinocellia protomaculata1 Engel 2011 snakefly
UCM 41697, 42105, 42107, 42122, 54806, 55329, 56552
 Diptera - Mythicomyiidae
Reissa kohlsi n. sp.2
Reissa kohlsi n. sp.2 Evenhuis 2019 fly
UCM 56960
1Archibald and Makarkin 2021; 2Evenhuis 2019