Claiborne amber, Malvern: Bartonian, Arkansas
collected by R.H. Mapes 1971

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Hymenoptera
1 specimen
MCZ 9994
Insecta - Hymenoptera - Formicidae
Wilson 1985 1 specimen
1 specimen
MCZ 9995
    = Protrechina carpenteri n. gen., n. sp. Wilson 1985
Wilson 1985
Wilson 1985 1 specimen
Insecta - Diptera
Nematocera indet. Latreille 1825
4 specimens
MCZ 9991, 9992
Insecta - Coleoptera - Carabidae
1 specimen
MCZ 9993
Arachnida - Araneae - Synotaxidae
1 specimen
MCZ 9992
Eskov and Marusik 1992
see common names

Geography
Country:United States State/province:Arkansas
Coordinates: 34.4° North, 92.8° West (view map)
Paleocoordinates:38.8° North, 75.0° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Paleogene Epoch: Eocene
Stage: Bartonian 10 m.y. bin: Cenozoic 3
Key time interval: Bartonian
Age range of interval: 41.03 - 37.71 m.y. ago
Stratigraphy
Geological group:Claiborne Formation:Cockfield
Stratigraphic resolution:group of beds
Stratigraphy comments: Originally Early middle Eocene, but clay pits and floras are now assigned to Cockfield Formation.
Lithology and environment
Primary lithology: amber
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body,soft parts,original chitin,amber
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:MCZ
Collectors:R.H. Mapes Collection dates:1971
Metadata
Database number:122391
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:paleoentomology
Created:2011-12-23 09:24:25 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-12-23 09:24:25
Creative Commons license:CC0
Reference information

Primary reference:
50121. W. B. Saunders, R. H. Mapes, F. M. Carpenter and W. C. Elsik. 1974. Fossiliferous amber from the Eocene (Claiborne) of the Gulf Coastal Plain. Geological Society America Bulletin 85:979-984 [M. Clapham/M. Clapham]

Secondary references:

47893 K. Eskov and M. Marusik. 1992. Fossil Spiders of the Family Nesticidae (Chelicerata, Araneida). Paleontological Journal 26(2):108-119 [M. Clapham/A. Louderback]
38990 E. O. Wilson. 1985. Ants from the Cretaceous and Eocene amber of North America. Psyche 92:205-216 [M. Clapham/M. Clapham]