Where: British Columbia, Canada (50.1° N, 120.5° W: paleocoordinates 54.8° N, 103.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Coldwater Beds Formation, Ypresian (56.0 - 47.8 Ma)
• U-Pb dating of thick tephra combined with Ar-Ar dates of sanidine from same bed. Tephra deposited within insect-bearing shales.
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine - large; lithified, tuffaceous, brown mudstone
Size classes: macrofossils, mesofossils, microfossils
Preservation: mold/impression, adpression
Collection methods: Repository: Simon Fraser University, transferred to Beaty Biodiversity Museum, University of British Columbia, Vancouver, British Columbia, Canada (BBM)
Primary reference: S. R. Manchester. 1992. Flowers, fruits, and pollen of Florissantia, an extinct Malvalean genus from the Eocene and Oligocene of western North America. American Journal of Botany 79(9):996-1008 [H. Wang/M. Arakaki/M. Arakaki]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 31677: authorized by Hongshan Wang, entered by Monica Arakaki on 22.05.2003, edited by Matthew Clapham, Jered Karr and Alex Aguilar
Creative Commons license: CC BY (attribution)
Taxonomic list
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Insecta | |
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Ypopteron nicola n. gen. n. sp.1
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Osmylidia donnae n. sp.12
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Wesmaelius mathewesi n. sp.11
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Polystoechotites "sp. A"3, Polystoechotites "sp. B"3, Palaeopsychops douglasae n. sp.3, Palaeopsychops dodgeorum10
Polystoechotites "sp. A"3 Archibald and Makarkin 2006 moth lacewing Q-0421 Glen Guthrie; Q-0379 Rolf Mathewes
Palaeopsychops douglasae n. sp.3 Archibald and Makarkin 2006 moth lacewing UAFIC7794ab; Coll. Mark Wilson
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Ichneumonidae indet.4 Latreille 1802 ichneumon wasp Q-0018, 0026, 0192, 0023, 0020, 0022, 0016 "and other specimens"; Q-5252 in Archibald et al. 2018
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? Halictus savenyei n. sp.9
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Eosphecium naumanni n. gen. n. sp.13
Eosphecium naumanni n. gen. n. sp.13 Brothers and Archibald 2000 apoid wasp SFU Q-0423a-b collected by Ken Naumann
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Eoecophylla quilchenensis n. gen. n. sp.6 Archibald et al. 2024 ant SFU Q-0409, 0001, 0002, 0006-0014, 0019, 0021, 0258, 0271, 0366, 0410, 0412, 0453, 0456, 0457, 0485, 0492, 0510, 0517
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Gerridae indet.4 Leach 1815 water strider Q-0205, 0207, 0208, 0209, 0210, 0211 "and other specimens"
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