Republic, UWBM locality A0307 (Eocene of the United States)

Also known as Corner Lot exposure

Where: Washington (48.7° N, 118.7° W: paleocoordinates 54.4° N, 101.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tom Thumb Member (Klondike Mountain Formation), Ypresian (56.0 - 47.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, brown mudstone

• Basin developed in Republic graben

Size class: macrofossils

Primary reference: N. D. Sinitshenkova. 1999. A new mayfly species of the extant genus Neoephemera from the Eocene of North America (Insecta: Ephemerida = Ephemeroptera: Neoephemeridae). Paleontological Journal 33:403-405 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 104761: authorized by Matthew Clapham, entered by Matthew Clapham on 09.02.2011, edited by Jered Karr and Karl Volkman

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Ephemeroptera - Neoephemeridae
Neoephemera antiqua n. sp. Sinitshenkova 1999 mayfly
UWBM 76324
 Odonata -
"Cephalozygoptera indet." = Zygoptera3
"Cephalozygoptera indet." = Zygoptera3 Selys-Longchamps 1854 damselfly
SR 15-001-004.1; SRUI -9-96-91
 Odonata - Whetwhetaksidae
Whetwhetaksa millerae3 Archibald and Cannings 2021 damselfly
SR 05-11-01AB
 Odonata - Dysagrionidae
Okanagrion sp.3 Archibald and Cannings 2021 damselfly
SR 11-60-17AB
Okanagrion threadgillae n. sp.3 Archibald and Cannings 2021 damselfly
SR 98-12-10
Okanagrion hobani3 Archibald and Cannings 2021 damselfly
SRUI 99-96-55A,B
Okanagrion worleyae3 Archibald and Cannings 2021 damselfly
SR 16-006-001
Okanopteryx sp.3 Archibald and Cannings 2021 damselfly
SRUI 99-97-44; UWBM-72324
 Orthoptera - Palaeorehniidae
Republicopteron douseae4 Archibald et al. 2022 grasshopper
SRUI 09-95-73
 Dicondylia -
Eoprephasma hichensi2 Archibald and Bradler 2015 winged insect
SR 93-10-02
 Hymenoptera - Pamphiliidae
Ulteramus republicensis n. gen. n. sp.8
Ulteramus republicensis n. gen. n. sp.8 Archibald and Rasnitsyn 2015 sawfly
UWBM 77532
 Hymenoptera - Siricidae
Eourocerus anguliterreus n. gen. n. sp.9
Eourocerus anguliterreus n. gen. n. sp.9 Archibald and Rasnitsyn 2022 horntail
SRUI-99-97-08
 Hymenoptera - Cimbicidae
Leptostigma brevilatum10 Archibald and Rasnitsyn 2023 cimbicid sawfly
UWBM-54840
Leptostigma alaemacula n. sp.10 Archibald and Rasnitsyn 2023 cimbicid sawfly
SR 92-18-08
 Raphidioptera - Raphidiidae
Megaraphidia klondika n. sp.6 Archibald and Makarkin 2021 snakefly
SR 03-01-01/UWBM 97073, SR 16-004-001.01, SR 99-71-63
 Neuroptera - Chrysopidae
? Adamsochrysa "sp. A"13 Makarkin and Archibald 2013 green lacewing
UWBM 77571
 Neuroptera - Hemerobiidae
"Cretomerobius wehri n. sp." = Archibaldia wehri15
"Cretomerobius wehri n. sp." = Archibaldia wehri15 Makarkin et al. 2003 brown lacewing
 Neuroptera - Psychopsidae
Ainigmapsychops inexspectatus n. gen. n. sp.14 Makarkin and Archibald 2014 silky lacewing
SRUI 99-96-76
 Neuroptera - Nymphidae
Nymphes georgei n. sp.7 Archibald et al. 2009 split-footed lacewing
SR09-07-08 collected by Steven George
 Neuroptera - Ithonidae
"Polystoechotidae indet." = Ithonidae5, Polystoechotites lewisi n. sp.5, Polystoechotites falcatus n. sp.5, Allorapisma chuorum12
"Polystoechotidae indet." = Ithonidae5 Newman 1853 giant lacewing
SR01-1-2
Polystoechotites lewisi n. sp.5 Archibald and Makarkin 2006 moth lacewing
SCSU-SR-0316
Polystoechotites falcatus n. sp.5 Archibald and Makarkin 2006 moth lacewing
SR94-5-21
Allorapisma chuorum12 Makarkin and Archibald 2009 moth lacewing
SRUI08-04-01 collected by Karl Volkman in June 2007
 Coleoptera - Brentidae
Eoceneithycerus carpenteri n. gen. n. sp.11
Eoceneithycerus carpenteri n. gen. n. sp.11 Legalov 2013 weevil
UWBM 57036(57096)
 Mecoptera - Dinopanorpidae
Dinokanaga sternbergi n. sp.1 Archibald 2005 scorpionfly
UWBM95361 Michael Sternberg, July 1995
Dinokanaga dowsonae1 Archibald 2005 scorpionfly
SR94-05-09 (collected by Standley Lewis, 1993)
Angiospermae
 Sapindales - Sapindaceae
Acer spitzi n. sp.16, Acer washingtonense n. sp.16, Acer republicense n. sp.16, Acer wehri n. sp.16, Acer hillsi n. sp.16, Acer stonebergae16
Acer spitzi n. sp.16 Wolfe and Tanai 1987 maple
samaras
Acer washingtonense n. sp.16 Wolfe and Tanai 1987 maple
Leaves
Acer republicense n. sp.16 Wolfe and Tanai 1987 maple
samaras
Acer wehri n. sp.16 Wolfe and Tanai 1987 maple
UWBM 39728 A&B samaras
Acer hillsi n. sp.16 Wolfe and Tanai 1987 maple
samaras
Acer stonebergae16 Wolfe and Tanai 1987 maple
samaras