Where: Teller County, Colorado (38.9° N, 105.3° W: paleocoordinates 40.4° N, 97.0° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Florissant Formation, Chadronian (37.2 - 33.9 Ma)
Environment/lithology: lacustrine - large; lithified, diatomaceous, tuffaceous shale
Size class: mesofossils
Preservation: adpression
Reposited in the UCM
Primary reference: T. D. A. Cockerell. 1908. Descriptions of Tertiary insects, part IV. The American Journal of Science, Fourth Series 26(151):69-75 [M. Clapham/J. Karr/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 127617: authorized by Matthew Clapham, entered by Amy Delelli on 19.05.2012, edited by April Kinchloe, Matthew Clapham and Jered Karr
Creative Commons license: CC BY (attribution)
Taxonomic list
Attacus fossilis n. sp.11
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Insecta | |
"Cyttaromyia cancellata" = Cyttaromyia princetoniana3
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Dicranota cockerelli n. sp.2
Dicranota cockerelli n. sp.2 Brown 1985 crane fly UCM 4920 (coll. T.D.A. Cockerell, station not given)
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Mycetophila bradenae n. sp.13
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Saropogon oblitescens n. sp.12
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Pachysystropus condemnatus n. sp.8
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"Labiduromma gurneyi" = Petrolabis gurneyi1
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"Saperda submersa n. sp." = Tetraopes submersus
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"? Lachnosterna extincta n. sp." = Phyllophaga extincta17
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"Inocellia exusta n. sp." = Fibla exusta14
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Phryganea miocenica n. sp.9
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Parabates memorialis n. sp.4
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Geotiphia halictina n. sp.8
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"Lithomyrmex rugosus" = Eulithomyrmex rugosus6, Pogonomyrmex fossilis6, Messor sculpturatus6, Aphaenogaster mayri6, Protazteca elongata6, Protazteca quadrata6, Protazteca capitata6, Elaeomyrmex gracilis6, Elaeomyrmex coloradensis6, Petraeomyrmex minimus6, Liometopum miocenicum6, Liometopum scudderi6, Miomyrmex impactus6, Miomyrmex striatus6, Iridomyrmex florissantius6, Dolichoderus rohweri6, "Dolichoderus (Hypoclinea) antiquus" = Dolichoderus antiquus6, Formica cockerelli6, Formica robusta6, "Camponotus fuscipennis" = Camponotites fuscipennis6, "Camponotus petrifactus" = Camponotites petrifactus6, Lasius peritulus6
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Paleoxyela nearctica n. gen. n. sp.15
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Tingis florissantensis n. sp.10
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Phenacolestes mirandus5 Cockerell 1908 damselfly UCM-16861B (counterpart in ANSP); Calvert specimen 1 presumably from here
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Arachnida | |
Palaeopachygnatha cockerelli n. sp.16
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Linyphia florissanti n. sp.16
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Eodiplurina cockerelli n. gen. n. sp.16
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