Also known as Shitike Cluster; CIT 37A
Where: Jefferson County, Oregon (44.8° N, 121.3° W: paleocoordinates 44.5° N, 112.3° W)
• coordinate estimated from map
When: John Day Formation, Arikareean (29.5 - 18.5 Ma)
• "the localities were first collected by field parties from the California Institute of Technology in the late 1920s and early 1930's but are now assigned to LACM (CIT) 37A, which represents a stratigraphically generalized locality."
Environment/lithology: terrestrial; massive, fine-grained, tuffaceous, intraclastic, silty sandstone
Size class: macrofossils
Collected by field parties from the California Institute of Technology in 1920's and early 1930's; reposited in the CIT, LACM
Primary reference: L. Dingus. 1990. Systematics, stratigraphy, and chronology for mammalian fossils (Late Arikareean to Hemingfordian) from the uppermost John Day Formation, Warm Springs, Oregon. PaleoBios 12(47/48):1-24 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 188965: authorized by Jonathan Marcot, entered by Jonathan Marcot on 22.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Merycochoerus cf. matthewi Loomis 1924 oreodont
Merychyus calaminthus Jahns 1940 oreodont
Merychyus cf. arenarum Cope 1884 oreodont |