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 | |
Tipula rubiensis n. sp. Lewis 1973 crane fly
Tipula carolae n. sp. Lewis 1973 crane fly | |
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Bibionidae indet.10, aff. Plecia sp.10, aff. Bibio sp.10, aff. Hesperinus sp.10, aff. Penthetria sp.10
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Tropidia tumulata n. sp.5
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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
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Isonychia alderensis n. sp.8
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? Zeunerella lewisi n. sp.1
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? Erucius lewisi n. sp.1
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Prokalotermes alderensis n. sp.9
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Ulmeriella rubiensis n. sp.4
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? Miopsyche rubiensis n. sp.6
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