Florissant (YPM Collection): Chadronian, Colorado
collected by C. Hill, Cockerell 1898

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Theropoda
Yalavis tenuipes n. gen., n. sp. Shufeldt 1913
Shufeldt 1913 1 individual
Insecta - Diptera - Bombyliidae
Alepidophora pealei n. gen., n. sp. Cockerell 1909
Cockerell 1909 1 specimen
(2 measurements)
Insecta - Diptera - Mycetophilidae
Mycomya cockerelli n. sp. Johannsen 1912
Johannsen 1912 1 specimen
(2 measurements)
Insecta - Diptera - Tipulidae
Tipula informal sp. nov. Linnaeus 1758
1 specimen
(2 measurements)
Insecta - Coleoptera - Hydrophilidae
Philydrus scudderi n. sp. Wickham 1909
Wickham 1909 1 specimen
recombined as Enochrus scudderi
YPM No. 6 (1 measurement)
Insecta - Coleoptera - Staphylinidae
Platydracus breviantennatus n. sp. Cai et al. 2014
Cai et al. 2014 1 specimen
YPM IP 035006 (specimen 12415) (2 measurements)
Insecta - Coleoptera - Bostrichidae
Protapate contorta n. gen., n. sp. Wickham 1912
Wickham 1912 1 specimen
Insecta - Coleoptera - Chrysomelidae
Lema evanescens n. sp. Wickham 1910
Wickham 1910 1 specimen
YPM 15 (2 measurements)
Insecta - Coleoptera - Carabidae
Calosoma cockerelli n. sp. Wickham 1910
Wickham 1910 1 specimen
YPM 10 (1 measurement)
Calosoma calvini n. sp. Wickham 1909
Wickham 1909 1 specimen
YPM No. 4 (1 measurement)
Insecta - Hymenoptera - Formicidae
Formica robusta Carpenter 1930
Carpenter 1930 1 specimen
YPM 10025
Formica cockerelli Carpenter 1930
Carpenter 1930 1 specimen
YPM 10026
Camponotus petrifactus Carpenter 1930
Carpenter 1930 1 specimen
recombined as Camponotites petrifactus
YPM 10034
Camponotus fuscipennis Carpenter 1930
Carpenter 1930 1 specimen
recombined as Camponotites fuscipennis
YPM 10029
Lasius peritulus (Cockerell 1927)
Carpenter 1930 1 specimen
YPM 10027
Miomyrmex impactus (Cockerell 1927)
Carpenter 1930 1 specimen
YPM 10018
Miomyrmex striatus Carpenter 1930
Carpenter 1930 1 specimen
YPM 10019
Iridomyrmex florissantius Carpenter 1930
Carpenter 1930 1 specimen
nomen dubium belonging to Iridomyrmex
YPM 10024
Dolichoderus rohweri (Carpenter 1930)
Carpenter 1930 1 specimen
YPM 10001
Dolichoderus (Hypoclinea) antiquus Carpenter 1930
Carpenter 1930 2 specimens
recombined as Dolichoderus antiquus
YPM 10000, 10002
Liometopum miocenicum Carpenter 1930
Carpenter 1930 4 specimens
YPM 10013-10016
Liometopum scudderi Carpenter 1930
Carpenter 1930 1 specimen
YPM 10017
Elaeomyrmex coloradensis Carpenter 1930
Carpenter 1930 2 specimens
YPM 10022, 10023
Elaeomyrmex gracilis Carpenter 1930
Carpenter 1930 2 specimens
YPM 10021
Protazteca quadrata Carpenter 1930
Carpenter 1930 2 specimens
YPM 10010, 10011
Protazteca elongata Carpenter 1930
Carpenter 1930 7 specimens
YPM 10003-10009
Protazteca capitata Carpenter 1930
Carpenter 1930 1 specimen
YPM 10012
Petraeomyrmex minimus Carpenter 1930
Carpenter 1930 1 specimen
YPM 10035
Aphaenogaster mayri Carpenter 1930
Carpenter 1930 2 specimens
YPM 10030, 10031
Messor sculpturatus Carpenter 1930
Carpenter 1930 1 specimen
YPM 10032
see common names

Geography
Country:United States State/province:Colorado County:Teller
Coordinates: 38.9° North, 105.3° West (view map)
Paleocoordinates:40.4° North, 97.0° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
Key time interval:Chadronian
Age range of interval:37.00000 - 33.90000 m.y. ago
Stratigraphy
Formation:Florissant
Lithology and environment
Primary lithology:diatomaceous,tuffaceous lithified "shale"
Lithology description: "shales"
Environment:lacustrine - large Tectonic setting:volcanic basin
Taphonomy
Modes of preservation:adpression
Size of fossils:mesofossils
Collection methods and comments
Collection methods:field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:YPM
Collectors:C. Hill, Cockerell Collection dates:1898
Metadata
Database number:124002
Authorizer:M. Clapham, M. Carrano Enterer:M. Clapham, M. Carrano, A. Delelli
Modifier:M. Carrano Research group:paleoentomology
Created:2012-02-05 13:48:53 Last modified:2022-01-24 11:05:12
Access level:the public Released:2012-02-05 13:48:53
Creative Commons license:CC BY
Reference information

Primary reference:
39939. T. D. A. Cockerell. 1909. Description of Tertiary insects, VII. The American Journal of Science, Fourth Series 28:283-286 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

53771 C. Y. Cai, A. F. Newton, D. Y. Huang and L. Tang. 2014. A new species of Platydracus Thomson, 1858 (Coleoptera, Staphylinidae, Staphylininae) from the upper Eocene Florissant beds, Colorado, USA. Palaeoworld 23:321-326 [M. Clapham/M. Clapham/M. Clapham]
4971ETE 683F. M. Carpenter. 1930. The Fossil Ants of North America. Bulletin of the Museum of Comparative Zoology, Harvard University 70:1-66 [C. Labandeira/C. Labandeira/M. Kosnik]
5029ETE 741T. D. A. Cockerell. 1909. Descriptions of Tertiary insects, part V. American Journal of Science, Fourth Series 27:53-58 [C. Labandeira/C. Labandeira/M. Clapham]
45461 O. A. Johannsen. 1912. A Tertiary fungus gnat. The American Journal of Science, Fourth Series 34:140 [M. Clapham/M. Clapham/M. Clapham]
79218 R. W. Shufeldt. 1913. Fossil feathers and some heretofore undescribed fossil birds. Journal of Geology 21(7):628-652 [M. Carrano/M. Carrano]
41302 H. F. Wickham. 1909. New Fossil Coleoptera from Florissant. The American Journal of Science, Fourth Series 28(4):126-130 [M. Clapham/A. Delelli/M. Clapham]
5166ETE 878H. F. Wickham. 1910. New fossil Coleoptera from Florissant, with notes on some already described. American Journal of Science, Series 4 29:47-51 [C. Labandeira/C. Labandeira/M. Clapham]
5168ETE 880H. F. Wickham. 1912. A report on some recent collections of fossil Coleoptera from the Miocene shales of Florissant. Bulletin from the Laboratories of Natural History of the State University of Iowa 6(3):3-38 [C. Labandeira/C. Labandeira/M. Clapham]