Stevenson Bridge UCMP V76199 (Pleistocene of the United States)

Where: Yolo County, California (38.5° N, 121.9° W: paleocoordinates 38.5° N, 121.8° W)

• coordinate stated in text

When: Rancholabrean (0.3 - 0.0 Ma)

• possible late Sangomonian; suspect U-Th date ca. 77k

• bed-level stratigraphic resolution

Environment/lithology: fluvial; claystone and sandstone

• Fossils were recovered from a 0.5-0.75 m thick greenish-grey silty clay layer capped by a 0.5-1.0 m thick sequence of brownish sediments of silt, sand and gravel

Size class: macrofossils

Reposited in the UCMP

Collection methods: quarrying,

Primary reference: R. G. Dundas and L. M. Cunningham. 1993. Harlan's Ground Sloth (Glossotherium harlani) and a Columbian Mammoth (Mammuthus columbi) from Stevenson Bridge, Yolo County, California. PaleoBios 15(3):47-62 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 192043: authorized by Patricia Holroyd, entered by Patricia Holroyd on 04.03.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
  - Mylodontidae
"Glossotherium harlani" = Paramylodon harlani
"Glossotherium harlani" = Paramylodon harlani Owen 1840 Harlan's ground sloth
 Proboscidea - Elephantidae
Mammuthus columbi Falconer 1857 Columbian mammoth