UCMP 3904, West Branch Creek: Middle Eocene, Oregon

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae - Fagales - Juglandaceae
Cruciptera n. gen. simsonii (Brown 1940)
Manchester 1991
Samara
Tetrapteris simsonii n. sp. Brown 1940
Brown 1940
recombined as Cruciptera simsonii
Samara
Angiospermae - Solanales - Solanaceae
Florissantia speirii flower Manchester 1992
comb. nov.
Insecta - Coleoptera - Scarabaeidae
Oryctoantiquus borealis n. gen., n. sp. Ratcliffe and Smith 2005
Ratcliffe et al. 2005 1 specimen
(1 measurement)
see common names

Geography
Country:United States State/province:Oregon County:Wheeler
Coordinates: 44.6° North, 120.3° West (view map)
Paleocoordinates:46.1° North, 105.3° West
Basis of coordinate:unpublished field data
Geographic resolution:local area
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2-3
*Period:Early/Lower Tertiary *Epoch:Middle Eocene
Key time interval:Middle Eocene
Age range of interval:47.80000 - 37.71000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Clarno
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: "siliciclastic"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:mold/impression,adpression
Size of fossils:macrofossils,mesofossils,microfossils
Collection methods and comments
Collection excludes:some macrofossils,some microfossils
Collection methods:selective quarrying,chemical,mechanical,field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:FLMNH,UCMP
Metadata
Also known as:UF 230; USGS 8637
Database number:31676
Authorizer:H. Wang, K. Volkman, M. Clapham Enterer:M. Arakaki, M. Clapham, H. Wang, K. Volkman
Modifier:M. Clapham Research group:paleobotany,paleoentomology
Created:2003-05-22 11:13:00 Last modified:2011-08-01 01:13:46
Access level:the public Released:2003-05-22 11:13:00
Creative Commons license:CC BY
Reference information

Primary reference:

8537. S. R. Manchester. 1992. Flowers, fruits, and pollen of Florissantia, an extinct Malvalean genus from the Eocene and Oligocene of western North America. American Journal of Botany 79(9):996-1008 [H. Wang/M. Arakaki/M. Arakaki]

Secondary references:

83141 R.W. Brown. 1940. New species and changes of name in some American fossil floras. Journal of the Washington Academy of Sciences 30(8):344-356 [K. Volkman/K. Volkman]
83118 S. R. Manchester. 1991. Cruciptera, a new Juglandaceous winged fruit from the Eocene and Oligocene of western North America. Systematic Botany 16(4):715-725 [K. Volkman/K. Volkman]
36841 B. C. Ratcliffe, D. M. Smith, and D. Erwin. 2005. Oryctoantiquus borealis, new genus and species from the Eocene of Oregon, U.S.A., the world's oldest fossil dynastine and largest fossil scarabaeid (Coleoptera: Scarabaeidae: Dynastinae). The Coleopterists Bulletin 59(1):127-135 [M. Clapham/M. Clapham]