Houldjin Gravels (early 1920s AMNH) (Eocene of China)

Where: Nei Mongol, China (43.7° N, 112.0° E: paleocoordinates 45.1° N, 107.3° E)

• coordinate based on nearby landmark

When: Houldjinian (37.2 - 33.9 Ma)

• Oligocene, and compared most closely to the Ardyn Obo and Turgai faunas; said to be "mid-Oligocene" by Osborn and Granger 1932; presumably Houldjinian

Environment/lithology: terrestrial; gravel

• "gravels"

Size class: macrofossils

Collected by Andrews and Granger; reposited in the AMNH

Collection methods: surface (float)

• originally "reported from the field by Andrews and Granger"

Primary reference: W. D. Matthew and W. Granger. 1923. The fauna of the Houldjin gravels. American Museum Novitates 97:1-6 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 72147: authorized by John Alroy, entered by John Alroy on 26.05.2007, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Perissodactyla - Paraceratheriidae
"? Baluchitherium sp." = Paraceratherium
"? Baluchitherium sp." = Paraceratherium Forster Cooper 1911 odd-toed ungulate
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet.
Rhinocerotidae indet. Gray 1821 rhinoceros
"Caenopus or Praeaceratherium species"
 Perissodactyla - Amynodontidae
Cadurcodon houldjinensis, Cadurcodon ardynensis
Cadurcodon houldjinensis Wang et al. 2009 odd-toed ungulate
Cadurcodon ardynensis Osborn 1924 odd-toed ungulate
Mentioned as ? Cadurcotherium sp. by Matthew and Granger (1923)
 Artiodactyla - Entelodontidae
Entelodon dirus n. sp.
Entelodon dirus n. sp. Matthew and Granger 1923 even-toed ungulate