Anvil Points (PIN collection 4621) (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: Parachute Creek Member (Green River Formation), Bridgerian (50.3 - 46.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified mudstone

Size class: macrofossils

Preservation: adpression

Collected by A. Rasnitsyn in 1997; reposited in the PIN

Primary reference: G. M. Dlussky and A. P. Rasnitsyn. 2002. Ants (Hymenoptera: Formicidae) of Formation Green River and some other middle Eocene deposits of North America. Russian Entomological Journal 11:411-436 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138675: authorized by Matthew Clapham, entered by Matthew Clapham on 25.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Hymenoptera - Formicidae
Formicidae "indet. A", Formicidae "indet. B", Eoformica pinguis, Dolichoderinae indet., Dolichoderus kohlsi, Archimyrmex rostratus
Formicidae "indet. A" Latreille 1802 ant
PIN 4621/637
Formicidae "indet. B" Latreille 1802 ant
PIN 4621/638
Eoformica pinguis Scudder 1877 ant
PIN 4621/639, 674, 833
Dolichoderinae indet. Forel 1878 ant
PIN 4621/639b
Dolichoderus kohlsi Dlussky and Rasnitsyn 2002 ant
PIN 4621/659
Archimyrmex rostratus Cockerell 1923 bulldog ant
PIN 4621/634
 Coleoptera - Brentidae
Palaeonanophyes zherikhini n. gen. n. sp.1, Perapion rasnitsyni n. sp.2
Palaeonanophyes zherikhini n. gen. n. sp.1 Legalov 2015 weevil
PIN 4621/196
Perapion rasnitsyni n. sp.2 Legalov 2018 weevil
PIN 4621/41(207)
 Coleoptera - Curculionidae
Archaeoheilus ovalis n. sp.2, Geraeus anvilis n. sp.3, Geraeus fossilis n. sp.3, Lithogeraeus greenriverensis n. gen. n. sp.3
Archaeoheilus ovalis n. sp.2 Legalov 2018 snout beetle
PIN 4621/27
Geraeus anvilis n. sp.3 Legalov 2018 snout beetle
PIN 4621/45
Geraeus fossilis n. sp.3 Legalov 2018 snout beetle
PIN 4621/42
Lithogeraeus greenriverensis n. gen. n. sp.3 Legalov 2018 snout beetle
PIN 4621/214
 Coleoptera - Mordellidae
"Isotrilophus rasnitsyni n. sp." = Petrimordella rasnitsyni4
"Isotrilophus rasnitsyni n. sp." = Petrimordella rasnitsyni4 Odnosum and Perkovsky 2016 tumbling flower beetle
PIN 4621/414
 Hemiptera -
Emiliana alexandri n. gen. n. sp.5
Emiliana alexandri n. gen. n. sp.5 Shcherbakov 2006 planthopper
PIN 4621/546
 Hemiptera - Nogodinidae
Lithopsis cf. fimbriata5
Lithopsis cf. fimbriata5 Scudder 1878 planthopper
PIN 4621/64
1Legalov 2015; 2Legalov 2018; 3Legalov 2018; 4Odnosum and Perkovsky 2016; 5Shcherbakov 2006