Anvil Points, Labandeira site (Eocene of the United States)

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: 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, USNM

Primary reference: P. Vršanský, L. Šmídová, D. Valaška, P. Barna, L. Vidlička, P. Takáč, L. Pavlik, T. Kúdelová, T. S. Karim, D. Zelagin, and D. Smith. 2016. Origin of origami cockroach reveals long-lasting (11 Ma) phenotype instability following viviparity. The Science of Nature 103(78):1-15 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181560: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hymenoptera - Tenthredinidae
Eutomostethus karimae n. sp.2 Nel et al. 2022 wood wasp
UCM 61412
 Blattodea - Blaberidae
Diploptera vladimir Vršanský 2016 giant cockroach
Diploptera savba n. sp. Šmídová 2016 giant cockroach
UCM 86312
 Blattodea - Blattidae
? Periplaneta smithiae1 Barna et al. 2023 cockroach
USNM 568437
 Alienoptera - Alienopteridae
Grant viridifluvius n. gen. n. sp.3, Chimaeroblattina brevipes n. gen. n. sp.3
Grant viridifluvius n. gen. n. sp.3 Aristov 2018 winged insect
USNM496006
Chimaeroblattina brevipes n. gen. n. sp.3 Barna 2018 winged insect
USNM570034AB