Huheboerhe escarpment (IM-1) (Eocene of China)

Also known as 10 Miles Southwest of Camp Margetts; level 10 of the section

Where: Nei Mongol, China (43.3° N, 111.8° E: paleocoordinates 44.8° N, 105.5° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Irdin Manha Formation, Middle Eocene (48.6 - 37.2 Ma)

• lower part of the Irdin Manha Formation - IM-1 horizon (=level 10 of the


• bed-level stratigraphic resolution

Environment/lithology: fluvial; lithified, muddy sandstone

Size classes: macrofossils, mesofossils

Reposited in the IVPP

Collection methods: surface (in situ)

• surface collecting or by screen washing

Primary reference: X. Ni, J. Meng, K. C. Beard, D. L. Gebo, Y. Wang and C. Li. 2009. A new tarkadectine primate from the Eocene of Inner Mongolia, China: Phylogenetic and biogeographic implications. Proceedings of the Royal Society B (Biological Sciences) [C. Beard/C. Beard]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89041: authorized by K. Christopher Beard, entered by K. Christopher Beard on 29.04.2009, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

 Primates - Omomyidae
Tarkops mckennai n. gen. n. sp.
Tarkops mckennai n. gen. n. sp. Ni et al. 2009 tarsier
IVPP V16424 - holotype
 Rodentia - Cricetidae
Pappocricetodon sp.3 Tong 1992 mouse
IVPP V16500
Pappocricetodon neimongolensis n. sp.3 Li 2012 mouse
IVPP V16498.1 - type; referred material: IVPP V16498.2-43
 Rodentia -
Yuomys "sp. A"5 Li 1975 rodent
IVPP V17805
Yuomys "sp. B"5 Li 1975 rodent
IVPP V17806
Yuomys "sp. C"5 Li 1975 rodent
IVPP V17807
Yuomys huheboerhensis n. sp.5 Li and Meng 2015 rodent
IVPP V17803 - type; referred specimens: IVPP V17804
Tamquammys sp.1 Shevyreva 1971 rodent
Tamquammys fractus n. sp.5 Li and Meng 2015 rodent
IVPP V17798 - type
Tamquammys wilsoni n. sp.5 Dawson et al. 1984 rodent
IVPP V17811-V17812
Yongshengomys extensus n. gen. n. sp.5 Li and Meng 2015 rodent
IVPP V16504 - holotype
Simplicimys bellus n. gen. n. sp.5 Li and Meng 2015 rodent
IVPP V16500 - holotype; referred specimen: IVPP V16501
 Rodentia - Paramyidae
"Asiomomys dawsoni" = Asiomys dawsoni4
"Asiomomys dawsoni" = Asiomys dawsoni4 Qi 1987 rodent
IVPP V17799-17802
 Rodentia - Yuomyidae
Yuomyidae indet.1 Dawson et al. 1984 rodent
 Mixodontia - Mimotonidae
Gomphos shevyrevae n. sp.6 Meng and Kraatz 2009 placental
IVPP V14669 - type; paratype: IVPP V14670; referred remains: V14671-14674
Mimolagus rodens1 Bohlin 1951 placental
IVPP V20117, V20123, V20120, V20174, V20176, V20179, V20180
 Lagomorpha -
Strenulagus solaris1 Lopatin and Averianov 2006 placental
IVPP V20234, 20191, 20235, 20237, 20236, 20192 and 20239
 Perissodactyla - Lophialetidae
Lophialetes expeditus1 Matthew and Granger 1925 odd-toed ungulate
 Perissodactyla - Deperetellidae
Deperetella sp.1 Matthew and Granger 1925 odd-toed ungulate
 Acreodi - Mesonychidae
Harpagolestes leei2 Jin 2005 condylarth
IVPP 15921, 17617, 17618
 Acreodi -
Andrewsarchus mongoliensis1 Osborn 1924 eutherian
 Hyaenodonta - Hyaenodontidae
Propterodon morrisi1 Matthew and Granger 1924 eutherian