Near Castello's Ranch, Florissant (Eocene of the United States)

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

• "shales"

Size class: mesofossils

Preservation: adpression

Collected by T.L. Mead

Primary reference: S. H. Scudder. 1876. Fossil Coleoptera from the Rocky Mountain Tertiaries. Bulletin of the United States Geological and Geographical Survey of the Territories 2(1):77-87 [C. Labandeira/C. Labandeira/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121307: authorized by Matthew Clapham, entered by Jered Karr on 02.12.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Coleoptera - Chrysomelidae
Oryctoscirtetes protogaeum n. gen. n. sp., Spermophagus vivificatus n. sp.
Oryctoscirtetes protogaeum n. gen. n. sp. Scudder 1876 leaf beetle
Found by USGS
Spermophagus vivificatus n. sp. Scudder 1876 leaf beetle
 Coleoptera - Curculionidae
Eurhinus occultus n. sp., Anthonomus defossus n. sp.
Eurhinus occultus n. sp. Scudder 1876 snout beetle
Mead 2, 3, 9
Anthonomus defossus n. sp. Scudder 1876 snout beetle
Mead 1, 33
 Coleoptera - Buprestidae
Chrysobothris haydeni n. sp.
Chrysobothris haydeni n. sp. Scudder 1876 jewel beetle
Found by USGS; 1722
 Coleoptera - Cantharidae
Chauliognathus pristinus n. sp.
Chauliognathus pristinus n. sp. Scudder 1876 soldier beetle
 Dermaptera - Anisolabididae
"Labidura tertiaria n. sp." = Geroncolabis tertiaria
"Labidura tertiaria n. sp." = Geroncolabis tertiaria Scudder 1876 earwig
 Blattodea - Corydiidae
"Homoeogamia ventriosus n. sp." = Homoeogamia ventriosa
"Homoeogamia ventriosus n. sp." = Homoeogamia ventriosa Scudder 1876 cockroach