Alamos Canyon (Bed CS15) (Eocene of the United States)

Also known as CIT 179, 218, UCMP V-5242, LACM 3374, 3375, 3378, 3380

Where: Ventura County, California (34.3° N, 119.0° W: paleocoordinates 33.7° N, 107.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Sespe Formation, Duchesnean (39.7 - 37.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Reposited in the LACM

Primary reference: T. S. Kelly. 1990. Biostratigraphy of Uintan and Duchesnean land mammal assemblages from the Middle Member of the Sespe Formation, Simi Valley, California. Contributions in Science, Natural History Museum of Los Angeles County 419:1-42 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16804: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• Golz and Lillegraven 1977 list no mammals from CIT 218
"Carnivora indet." of Golz and Lillegraven 1977 from CIT 179 is omitted
Reptilia
 Testudines - Trionychidae
"Trionyx (Amyda) sp." = Amyda
"Trionyx (Amyda) sp." = Amyda Geoffroy Saint-Hilaire 1809 softshell turtle
Mammalia
 Artiodactyla - Agriochoeridae
Protoreodon pacificus Golz 1976 agriochoerid
 Artiodactyla - Praetragulidae
Simimeryx hudsoni Stock 1934 ruminant
 Theriamorpha - Sespedectidae
Sespedectes singularis Stock 1935 placental
Proterixoides davisi Stock 1935 placental
 Rodentia - Ischyromyidae
Microparamys tricus Wilson 1940 rodent