Warm Springs ( of the United States)

Also known as LACM (CIT) 37; Mecca Cluster

Where: Jefferson County, Oregon (44.9° N, 121.3° W: paleocoordinates 44.5° N, 112.3° W)

• coordinate estimated from map

When: John Day Formation, Arikareean (30.8 - 20.4 Ma)

• "All the localities are contained within the upper 20 m of exposed sediments in Member I."

•p.4: These localities were originally collected by field parties from the California Institute of Technology in the late 1920s and early 1930s, and were assigned to the stratigraphically generalized locality, C1T 37.

Environment/lithology: terrestrial; lithified, massive, fine-grained, nodular, intraclastic, brown, silty sandstone and brown, gray tuff

Size classes: macrofossils, mesofossils

Collected in 1920's - 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 188964: authorized by Jonathan Marcot, entered by Jonathan Marcot on 22.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Rhinocerotidae
cf. Floridaceras whitei Wood 1964 rhinoceros
LACM(CIT) 2707 - says CIT 37 in the text and CIT 37A in Figure 3
 Perissodactyla - Equidae
Parahippus pawniensis Gidley 1907 anchitheriine horse
 Carnivora - Canidae
Canidae indet. Fischer 1817 canid
Tomarctus ... or Euoplocyon
Canidae indet. Fischer 1817 canid
LACM (CIT) 2744: "Tomarctus ... or Euoplocyon"
 Ungulata - Merycoidodontidae
Merycochoerus cf. matthewi Loomis 1924 oreodont
 Ungulata - Camelidae
Michenia deschutensis n. sp. Dingus 1990 camel
LACM(CIT) 2685