Ruby River, between Peterson and Morman Creeks (Oligocene of the United States)

Also known as Ruby River near Alder

Where: Madison County, Montana (45.2° N, 112.2° W: paleocoordinates 46.6° N, 104.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Passamari Member (Renova Formation), Whitneyan (33.3 - 30.8 Ma)

• Whitneyan North American land mammal age according to Wing, 1987.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; shale

Size class: mesofossils

Preservation: adpression

Collected by H. F. Becker, John Alley

• Repository: St. Cloud State University (ultimately intended to be AMNH)

Primary reference: S. E. Lewis. 1973. Two new species of fossil crane flies (Diptera: Tipulidae) from the Ruby River Basin (Oligocene) of Southwestern Montana. Annals of the Entomological Society of America 66(3):706-707 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120623: authorized by Matthew Clapham, entered by Jered Karr on 18.11.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Blattodea - Kalotermitidae
Prokalotermes alderensis n. sp.9 Lewis 1977 termite
B-3
 Blattodea -
Ulmeriella rubiensis n. sp.4 Lewis 1973 termite
B-72
 Orthoptera - Locustopsidae
? Zeunerella lewisi n. sp.1 Kevan and Wighton 1981 grasshopper
B-6, B-41, B-81
 Orthoptera - Eruciidae
? Erucius lewisi n. sp.1 Kevan and Wighton 1981 grasshopper
B-1 (found by H.F. Becker)
 Diptera - Bombyliidae
Phthiria fossa n. sp.7 Lewis 1975 bee fly
B49
Alepidophora maxima n. sp.3 Lewis 1972 bee fly
B. 141b (found by H.F. Becker)
 Diptera - Syrphidae
Tropidia tumulata n. sp.5 Lewis 1973 hover fly
B-10
 Diptera - Asilidae
Asilidae indet.2 Latreille 1802 robber fly
fragment of a wing
Senoprosopis beckeri n. sp.2 Lewis 1972 robber fly
B. 4a
? Dioctria jamesi n. sp.2 Lewis 1972 robber fly
B. 134
 Diptera - Anisopodidae
aff. Sylvicola fenestralis10 Scopoli 1763 wood gnat
B-128
 Diptera - Bibionidae
Bibionidae indet.10 Newman 1834 march fly
RR-1-54, B-24, 117
aff. Penthetria sp.10 Meigen 1803 march fly
B-21
aff. Plecia sp.10 Wiedemann 1823 love bug
RR-1-25, B-25, 44, 102, 111, 144
aff. Bibio sp.10 Geoffroy 1762 march fly
B-27
 Diptera - Hesperinidae
aff. Hesperinus sp.10 Walker 1848 unicorn fly
RR-1-44, B-11, 15, 50, 63, 68, 110, 119, 142
 Diptera - Mycetophilidae
Mycetophilidae indet.10 Newman 1835 fungus gnat
RR-1-11, 39
aff. Exechia sp.10 Winnertz 1863 fungus gnat
RR-1-15
 Diptera - Tipulidae
Tipulidae indet.10 Latreille 1802 crane fly
BB-45
Tipula carolae n. sp. Lewis 1973 crane fly
Tipula rubiensis n. sp. Lewis 1973 crane fly
aff. Tipula rubiensis10 Lewis 1973 crane fly
RR-1-2, B-74, 75 (complete insects)
 Trichoptera - Limnephilidae
? Miopsyche rubiensis n. sp.6 Lewis 1973 caddisfly
B-136, B-130, B-137, 6-38
 Ephemeroptera - Neoephemeridae
Potamanthellus rubiensis n. sp.8 Lewis 1977 mayfly
B-60, B-13, B-20, B-58, B-59, B-61, B-62, C-1, C-2, RR-1-34, RR-4-1, 6-40, 6-117, 6-23, 6-290
 Ephemeroptera - Isonychiidae
Isonychia alderensis n. sp.8 Lewis 1977 mayfly
C-3