Mount Eden (Neogene of the United States)

Also known as Eden Ledges; UCMP V-3269

Where: Riverside County, California (33.9° N, 117.0° W: paleocoordinates 33.5° N, 114.5° W)

• coordinate based on political unit

When: Mt. Eden Formation, Late/Upper Hemphillian (10.3 - 4.9 Ma)

• Baskin 1981 says late Hemphillian

Environment/lithology: terrestrial

Primary reference: C. Frick. 1921. Extinct vertebrate faunas of the badlands of Bautista Creek and San Timoteo Canyon, southern California. University of California Publications in Geology 12(5):277-424 [J. Alroy/J. Alroy]more details

PaleoDB collection 19445: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• Gilbert Chron "5.0 to 5.4 Ma": May and Repenning 1982, based on biochronology and reversed polarity at AMNH quarry
 Rodentia - Cricetidae
Repomys maxumi7 May 1981 mouse
F:AM collection, not from V-3269
 Lagomorpha - Leporidae
Hypolagus edensis n. sp. Frick 1921 rabbit
 Perissodactyla - Rhinocerotidae
Teleoceras hicksi8 Cook 1927 rhinoceros
 Perissodactyla - Equidae
Dinohippus leidyanus2 Osborn 1918 horse
includes types of "Pliohippus osborni" and "P." edensis
 Carnivora - Ursidae
Agriotherium sp.1 Wagner 1837 bear
Plionarctos edensis n. sp.6 Frick 1926 bear
of Frick 1926
 Carnivora - Procyonidae
? Procyon sp.3 Storr 1780 raccoon
F:AM collection, not from V-3269
 Carnivora - Canidae
Caninae indet.1 Gill 1872 canine
Borophagus secundus9 VanderHoof 1931 bone-crushing dog
 Carnivora - Felidae
Felinae indet.1 Trouessart 1885 cat
 Xenarthra - Megalonychidae
Megalonychidae indet.5 Gervais 1855 edentate
 Xenarthra - Megatheriidae
Megatheriidae indet. Gray 1821 edentate
"Nothrotherium or Pronothrotherium"
 Proboscidea - Gomphotheriidae
Rhynchotherium falconeri7 Osborn 1923 gomphothere
 Ungulata - Tayassuidae
Tayassuinae indet.1 Palmer 1897 peccary
Tayassu edensis1 Frick 1921 peccary
 Ungulata - Camelidae
Camelidae indet.1 Gray 1821 camel
Megacamelus merriami1 Frick 1921 camel
 Ungulata - Palaeomerycidae
Pediomeryx hemphillensis4 Stirton 1936 ruminant
 Ungulata - Antilocapridae
? Texoceros edensis n. sp.4 Frick 1937 pronghorn
"Antilocapra?"; also may include "Merycodus?... or Ilingoceros?"