JDNM-8 Sheep Rock: Arikareean, Oregon

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
Herpetotherium merriami (Stock and Furlong 1922)
Mammalia - Rodentia - Sciuridae
Protosciurus mengi Black 1963
Korth and Samuels 2015
Protosciurus rachelae Black 1963
Korth and Samuels 2015
Mammalia - Rodentia - Castoridae
Palaeocastor fossor (Peterson 1905)
Korth and Samuels 2015
recombined as Fossorcastor fossor
Microtheriomys brevirhinus n. gen., n. sp. Korth and Samuels 2015
Korth and Samuels 2015
Mammalia - Rodentia - Heteromyidae
Proheteromys thorpei Wood 1935
Korth and Samuels 2015
Mammalia - Primates - Ekgmowechashalidae
Ekgmowechashala zancanellai Samuels et al. 2015
Samuels et al. 2015
see common names

Geography
Country:United States State/province:Oregon County:Grant
Coordinates: 44.5° North, 119.6° West (view map)
Paleocoordinates:44.2° North, 110.7° West
Basis of coordinate:unpublished field data
Geographic resolution:local area
Time
10 m.y. bin:Cenozoic 4-5
Key time interval:Arikareean
Age range of interval:29.50000 - 18.50000 m.y. ago
Stratigraphy
Formation:John Day
Stratigraphy comments: Includes Turtle Cove though Kimberly members.
Lithology and environment
Primary lithology: claystone
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:212629
Authorizer:N. Famoso Enterer:N. Famoso
Research group:vertebrate
Created:2020-08-18 06:09:22 Last modified:2020-08-18 01:09:22
Access level:the public Released:2020-08-18 06:09:22
Creative Commons license:CC BY
Reference information

Primary reference:
73440. W. W. Korth and J. L. Cavin. 2016. New material of the marsupial (Mammalia, Metatheria) Herpetotherium merriami (Stock and Furlong, 1922) from the John Day Formation, late Oligocene, Oregon, USA. Journal of Paleontology 90(6):1225-1232 [N. Famoso/N. Famoso]

Secondary references:

83706 W. W. Korth and J. X. Samuels. 2015. New rodent material from the John Day Formation (Arikareean, Middle Oligocene to Early Miocene) of Oregon. Annals of Carnegie Museum 83(1):19-84 [N. Famoso/N. Famoso]
82624 J. X. Samuels, L. B. Albright, and T. J. Fremd. 2015. The Last Fossil Primate in North America, New Material of the Enigmatic Ekgmowechashala From the Arikareean of Oregon. American Journal of Physical Anthropology 158(1):43-54 [N. Famoso/N. Famoso]