Khoer Dzan [SMPE] (Eocene of Mongolia)

Also known as Khoer-Dzan

Where: Dornogov, Mongolia (44.0° N, 111.0° E: paleocoordinates 45.4° N, 106.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ergilin Member (Ergilin Dzo Formation), Late/Upper Eocene (37.2 - 33.9 Ma)

• AKA Ergiliin Zoo Formation (59640)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; yellow gravel

Size class: macrofossils

Collected by SMPE in 1988

• Joint Soviet-Mongolian Paleontological Expedition

Primary reference: D. Dashzeveg and D. E. Russell. 1992. Extension of Dyspternine Pantolestidae (Mammalia, Cimolesta) in the Early Oligocene of Mongolia. Geobios 25(5):647-650 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174715: authorized by Philip Mannion, entered by Philip Mannion on 25.11.2015, edited by Pauline Coster and Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Arretosauridae
Ergiliinsaurus postumus n. gen. n. sp.1
Ergiliinsaurus postumus n. gen. n. sp.1 Alifanov 2012 squamates
PIN, no. 4751/3 (holotype), fragment of left maxilla
Mammalia
 Perissodactyla - Tapiridae
Teleolophus magnus3 Radinsky 1965 tapir
PSS 27-28
 Creodonta - Hyaenodontidae
Hyaenodon sp.4, Hyaenodon gigas2, "Pterodon exploratus" = Hyaenodon incertus2
Hyaenodon sp.4 Laizer and Parieu 1838 creodont
Hyaenodon gigas2 Dashzeveg 1985 creodont
"Pterodon exploratus" = Hyaenodon incertus2 Dashzeveg 1985 creodont
 Theriamorpha - Pantolestoidae
Gobiopithecus khan n. gen. n. sp.
Gobiopithecus khan n. gen. n. sp. Dashzeveg and Russell 1992 placental
PSS 27-125 - holotype (right mandible)
 Rodentia - Cylindrodontidae
Ardynomys sp. Matthew and Granger 1925 rodent