Suntrana Creek (Miocene of the United States)

Where: Alaska (63.9° N, 148.9° W: paleocoordinates 64.1° N, 146.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Grubstake Formation, Messinian (7.2 - 5.3 Ma)

• 1 m below volcanic ash

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - small; poorly lithified, gray shale

• Transpressional foreland basin.
• Gray weakly consolidated poorly stratified lacustrine shale

Size class: macrofossils

Preservation: adpression

Primary reference: D. A. Grimaldi and D. M. Triplehorn. 2008. Insects from the upper Miocene Grubstake Formation of Alaska. American Museum Novitates 3612:1-19 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 103102: authorized by Matthew Clapham, entered by Matthew Clapham on 22.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Hymenoptera - Ichneumonidae
? Brachypimpla sp.
? Brachypimpla sp. Strobl 1902 ichneumon wasp
 Hymenoptera - Formicidae
Myrmicinae indet., Aphaenogaster sp., Messor sp., Dolichoderinae indet.
Myrmicinae indet. Lepeletier de Saint-Fargeau 1835 ant
Solenopsis or Erebomyrma
Aphaenogaster sp. Mayr 1853 ant
Messor sp. Forel 1890 ant
Dolichoderinae indet. Forel 1878 ant
Dolichoderus or Tapinoma
 Coleoptera - Curculionidae
Curculionidae indet.
Curculionidae indet. Latreille 1802 snout beetle
 Coleoptera - Carabidae
Carabidae indet.
Carabidae indet. Latreille 1802 ground beetle
 Diptera - Lonchaeidae
? Dasiops sp.
? Dasiops sp. Rondani 1856 fly
 Diptera - Bibionidae
Bibio sp.
Bibio sp. Geoffroy 1762 march fly