Khaychin I (Paleocene of Mongolia)

Also known as Haichin Ula; Khaichin; Khaychin-Ula I

Where: Ovorhangai, Mongolia (43.7° N, 99.9° E: paleocoordinates 43.4° N, 91.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bugin Member (Khaychin Formation), Late/Upper Paleocene (58.7 - 55.8 Ma)

• Unconformably overlying the Nemegt Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, green sandstone and claystone

• light grey or greenish grey deposits of sandstones, clay and gravelites

Size class: macrofossils

Primary reference: D. Dashzeveg and D. E. Russell. 1988. Palaeocene and Eocene Mixodontia (Mammalia, Glires) of Mongolia and China. Palaeontology 31(1):129-164 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133401: authorized by Philip Mannion, entered by Philip Mannion on 12.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Dinocerata - Prodinoceratidae
Prodinoceras sp.
Prodinoceras sp. Matthew et al. 1929 uintathere
 Cimolesta - Pantolambdodontidae
Archaeolambda trofimovi
Archaeolambda trofimovi pantodont
PSS 30-3 - holotype (left mandible)
 Glires -
"Khaychina elongata n. gen. n. sp." = Eomylus zhigdenensis
"Khaychina elongata n. gen. n. sp." = Eomylus zhigdenensis Dashzeveg and Russell 1988 placental