Spencer Creek: Burdigalian, Oregon

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Cetacea - Cetotheriidae
Cetotheriidae indet. (Brandt 1872)
Mammalia - Perissodactyla - Desmostylidae
Desmostylus hesperus Marsh 1888
Hay 1915
Desmostylus cymatias Hannibal 1922
1 specimen
synonym of Desmostylus hesperus
Reptilia - Testudines - Dermochelyidae
? Psephophorus oregonensis n. sp. Packard 1940
Packard 1940 2 specimens
recombined as Egyptemys oregonensis
see common names

Geography
Country:United States State/province:Oregon County:Lincoln
Coordinates: 44.7° North, 124.1° West (view map)
Paleocoordinates:44.5° North, 118.0° West
Basis of coordinate:estimated from map
Time
Period:Neogene Epoch:Miocene
Stage:Burdigalian 10 m.y. bin:Cenozoic 5
Key time interval:Burdigalian
Age range of interval:20.44000 - 15.98000 m.y. ago
Stratigraphy
Formation:Astoria
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: sandy mudstone
Includes fossils?Y
Environment:open shallow subtidal
Geology comments: warm water, sublittoral basin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:60339
Authorizer:M. Uhen, P. Holroyd Enterer:M. Uhen, P. Holroyd
Modifier:M. Uhen Research group:vertebrate
Created:2006-05-10 06:17:15 Last modified:2019-05-21 12:42:05
Access level:database members Released:2006-11-10 06:17:15
Creative Commons license:CC BY
Reference information

Primary reference:
12700. E. L. Packard and R. Kellogg. 1934. A new cetothere from the Miocene Astoria Formation of Newport, Oregon. Contributions to Palaeontology Carnegie Institution of Washington 447(I):3-62 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

61619 S. L. Colbath. 1985. Gastropod Predation and Depositional Environments of Two Molluscan Communities from the Miocene Astoria Formation at Beverly Beach State Park, Oregon. Journal of Paleontology 59(4):849-869 [M. Uhen/B. Shipps/M. Uhen]
30822 O. Hay. 1915. A contribution to the knowledge of the extinct sirenian Desmostylus hesperus Marsh. Proceedings of the United States National Museum 49:381-397 [M. Uhen/M. Uhen]
60118 E. L. Packard. 1940. A new turtle from the marine Miocene of Oregon. Oregon State Monographs Studies in Geology 2:1-11 [P. Holroyd/P. Holroyd]
52149 V. L. VanderHoof. 1937. A study of the Miocene sirenian Desmostylus. University of California Publications in Geological Sciences 24(8):169-262 [M. Uhen/M. Uhen]