Where: Teller County, Colorado (38.9° N, 105.3° W: paleocoordinates 40.4° N, 97.0° W)
• coordinate based on nearby landmark
When: Middle Shale Member (Florissant Formation), Late/Upper Eocene (37.2 - 33.9 Ma)
• formation-level stratigraphic resolution
Environment/lithology: lacustrine - large; lithified, diatomaceous, tuffaceous shale and lithified volcaniclastic
Size classes: macrofossils, mesofossils
Preservation: adpression
Collection methods: quarrying, surface (float), surface (in situ),
Primary reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734 [C. Labandeira/C. Labandeira/L. Edwards]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 122093: authorized by Matthew Clapham, entered by Jered Karr on 16.12.2011, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
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Bembidium tumulorum n. sp.4, Pterostichus walcotti4, Harpalus whitfieldii4, Amara danae4, Amara sterilis4
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? Xestobium alutaceum n. sp.5
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Antherophagus megalops n. sp.5
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Cremastorhynchus stabilis2, Tychius evolatus2, Geralophus occultus2, Geralophus ? fossicius2, Geralophus lassatus2, Eudomus pinguis2, Eudomus robustus2, Evopes occubatus2, "Aulobaris damnata n. sp." = Lithogeraeus damnata2, Cleonus primoris n. sp.2
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"Anthonomus arctus" = Toxorhynchus arctus2
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Coccinella sodoma n. sp.5
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Bledius osborni4, Philonthus abavus4, Quedius breweri, Staphylinus lesleyi4, Xantholinus tenebrarius n. sp.4, "Bledius cf. morsei" = Stenus morsei4, Lithocharis scottii n. sp.4
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"Inocellia veterana n. sp." = Dictyoraphidia veterana
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"Dolichoderus (Hypoclinea) antiquus" = Dolichoderus antiquus1, Miomyrmex impactus1, Protazteca capitata1, Protazteca quadrata1, Protazteca elongata1, Liometopum miocenicum1, Lasius peritulus1, Formica robusta1, Messor sculpturatus1, Aphaenogaster mayri1
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Thnetoschistus revulsus n. gen. n. sp., Mataeoschistus limigenus n. gen. n. sp.
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Cacalydus lapsus n. gen. n. sp., Rhepocoris praevalens
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"Siphonophoroides antiqua" = Siphonophoroides antiqua, "Aphidopsis dalli" = Siphonophoroides antiqua, "Aphidopsis lutaria" = Siphonophoroides antiqua
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Locrites copei, Lithecphora setigera n. gen. n. sp., Prinecphora balteata, Palecphora praevalens, Palecphora communis
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Florissantia elegans n. gen. n. sp.
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? Cixius proavus n. sp.
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"Labiduromma mortale" = Spiladopygia mortalis
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Arachnida | |
"Aranea columbiae" = Araneaovoius columbiae
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"Titanoeca hesterna" = Palaeodrassus hesternus
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