Nalaikha (Pleistocene of Mongolia)

Where: Mongolia (47.8° N, 107.3° E: paleocoordinates 47.8° N, 107.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Pleistocene (2.6 - 0.8 Ma)

• "Numerous fossils were found in... layer 6 and the upper part of layer 7... the main fauna is believed to belong in the late lower Pleistocene, not younger than 0.9 Ma"

• group of beds-level stratigraphic resolution

Environment/lithology: alluvial fan; sandstone and sandy claystone

• "alluvial sands and sandy clays"

Size class: macrofossils

Reposited in the PIN

Primary reference: V. Eisenmann and T. Kuznetsova. 2004. Early Pleistocene equids (Mammalia, Perissodactyla) of Nalaikha, Mongolia, and the emergence of modern Equus Linnaeus, 1758. Geodiversitas 26(3):535-561 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71060: authorized by John Alroy, entered by John Alroy on 16.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• originally described in a Russian-language publication (Zhegallo et al. 1982)
Mammalia
 Rodentia - Dipodidae
Allactaga sp. Cuvier 1836 jerboa
 Rodentia - Sciuridae
"Citellus sp." = Spermophilus, Marmota sp.
"Citellus sp." = Spermophilus Cuvier 1825 ground squirrel
Marmota sp. Frisch 1775 marmot
 Lagomorpha - Ochotonidae
Ochotona sp. Link 1795 pika
 Perissodactyla - Rhinocerotidae
Coelodonta tologoijensis Beliajeva 1966 wooly rhino
originally entered as "Coelodonta tologojensis"
 Perissodactyla - Equidae
Equus "sp. A" Linnaeus 1758 horse
Equus "sp. B" Linnaeus 1758 horse
Equus nalaikhaensis Kuznetsova and Zhegallo 1996 horse
 Carnivora - Ursidae
Ursus ex gr. deningeri Reichenau 1904 bear
 Carnivora - Canidae
"Canis variabilis" = Canis lupus, Xenocyon lycaonoides
"Canis variabilis" = Canis lupus Linnaeus 1758 gray wolf
Xenocyon lycaonoides Kretzoi 1938 canine
 Carnivora - Felidae
Felis sp. Linnaeus 1758 cat
Panthera cf. tigris Linnaeus 1758 tiger
"Panthera cf. tigris palaeosinensis"
 Carnivora - Hyaenidae
"Hyaena brevirostris" = Pachycrocuta brevirostris
"Hyaena brevirostris" = Pachycrocuta brevirostris Gervais 1850 brown hyaena
 Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828 mammoth
 Ungulata - Bovidae
Bison sp. Hamilton-Smith 1827 bison
Spirocerus kiakhensis antelope
"Spirocerus kiakhensis wongi"
Gazella cf. gutturosa gazelle
"Gazella (Procapra) cf. gutturosa"
 Ungulata - Cervidae
Megacerini indet. Viret 1961 deer