PBDB Collection

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

Show authors, comments, and common names

Insecta
Ephemeroptera - Neoephemeridae	Potamanthellus rubiensis n. sp.⁸ 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 Isonychia alderensis n. sp.⁸ Lewis 1977 mayfly C-3
Trichoptera - Limnephilidae	? Miopsyche rubiensis n. sp.⁶ ? Miopsyche rubiensis n. sp.⁶ Lewis 1973 caddisfly B-136, B-130, B-137, 6-38
Orthoptera - Chorotypidae	? Erucius lewisi n. sp.¹ ? Erucius lewisi n. sp.¹ Kevan and Wighton 1981 grasshopper B-1 (found by H.F. Becker)
Orthoptera - Locustopsidae	? Zeunerella lewisi n. sp.¹ ? Zeunerella lewisi n. sp.¹ Kevan and Wighton 1981 grasshopper B-6, B-41, B-81
Blattodea -	Ulmeriella rubiensis n. sp.⁴ Ulmeriella rubiensis n. sp.⁴ Lewis 1973 termite B-72
Blattodea - Kalotermitidae	Prokalotermes alderensis n. sp.⁹ Prokalotermes alderensis n. sp.⁹ Lewis 1977 termite B-3
Diptera - Asilidae	Asilidae indet.², ? Dioctria jamesi n. sp.², Senoprosopis beckeri n. sp.² Asilidae indet.² Latreille 1802 robber fly fragment of a wing ? Dioctria jamesi n. sp.² Lewis 1972 robber fly B. 134 Senoprosopis beckeri n. sp.² Lewis 1972 robber fly B. 4a
Diptera - Syrphidae	Tropidia tumulata n. sp.⁵ Tropidia tumulata n. sp.⁵ Lewis 1973 hover fly B-10
Diptera - Bombyliidae	Alepidophora maxima n. sp.³, Phthiria fossa n. sp.⁷ Alepidophora maxima n. sp.³ Lewis 1972 bee fly B. 141b (found by H.F. Becker) Phthiria fossa n. sp.⁷ Lewis 1975 bee fly B49
Diptera - Anisopodidae	aff. Sylvicola fenestralis¹⁰ aff. Sylvicola fenestralis¹⁰ Scopoli 1763 wood gnat B-128
Diptera - Mycetophilidae	Mycetophilidae indet.¹⁰, aff. Exechia sp.¹⁰ Mycetophilidae indet.¹⁰ Newman 1834 fungus gnat RR-1-11, 39 aff. Exechia sp.¹⁰ Winnertz 1863 fungus gnat RR-1-15
Diptera - Bibionidae	Bibionidae indet.¹⁰, aff. Penthetria sp.¹⁰, aff. Hesperinus sp.¹⁰, aff. Bibio sp.¹⁰, aff. Plecia sp.¹⁰ Bibionidae indet.¹⁰ Fleming 1821 march fly RR-1-54, B-24, 117 aff. Penthetria sp.¹⁰ Meigen 1803 march fly B-21 aff. Hesperinus sp.¹⁰ Walker 1848 march fly RR-1-44, B-11, 15, 50, 63, 68, 110, 119, 142 aff. Bibio sp.¹⁰ Geoffroy 1762 march fly B-27 aff. Plecia sp.¹⁰ Wiedemann 1823 love bug RR-1-25, B-25, 44, 102, 111, 144
Diptera - Tipulidae	Tipulidae indet.¹⁰, Tipula carolae n. sp., Tipula rubiensis n. sp., aff. Tipula rubiensis¹⁰ 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)

¹Kevan and Wighton 1981; ²Lewis 1972; ³Lewis 1972; ⁴Lewis 1973; ⁵Lewis 1973; ⁶Lewis 1973; ⁷Lewis 1975; ⁸Lewis 1977; ⁹Lewis 1977; ¹⁰Lewis 1987