Loh (Oligocene of Mongolia)

Where: Mongolia (45.3° N, 101.8° E: paleocoordinates 46.7° N, 99.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Tatal Member (Hsanda Gol Formation), Early/Lower Oligocene (33.9 - 28.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: original phosphate

Reposited in the AMNH

Primary reference: X. Wang, M. C. McKenna, and D. Dashzeveg. 2005. Amphicticeps and Amphicynodon (Arctoidea, Carnivora) from Hsanda Gol Formation, Central Mongolia and phylogeny of basal arctoids with comments on zoogeography. American Museum Novitates 3483:1-57 [M. Uhen/M. Uhen/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53979: authorized by Mark Uhen, entered by Mark Uhen on 20.09.2005, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Creodonta - Hyaenodontidae
Hyaenodon pervagus n. sp.4 Matthew and Granger 1924 creodont
AMNH 19005 - type; paratypes: AMNH 19002, 19006, 19015, 19125 and 19126
 Carnivora -
Amphicticeps shackelfordi n. gen. n. sp.4
Amphicticeps shackelfordi n. gen. n. sp.4 Matthew and Granger 1924 carnivoran
AMNH 19010 - holotype
 Carnivora - Ursidae
"Pachycynodon teilhardi n. sp." = Amphicynodon teilhardi4
"Pachycynodon teilhardi n. sp." = Amphicynodon teilhardi4 Matthew and Granger 1924 bear
AMNH 19007 - type
 Carnivora -
"Palaeoprionodon gracilis n. sp." = Asiavorator gracilis4, "Asiavorator altidens n. gen. n. sp." = Asiavorator gracilis6, "Viverravus constans n. sp." = Shandgolictis constans4, "Cynodictis elegans n. sp." = Stenoplesictis elegans4
"Palaeoprionodon gracilis n. sp." = Asiavorator gracilis4 Matthew and Granger 1924 carnivoran
AMNH 19123 - type
"Asiavorator altidens n. gen. n. sp." = Asiavorator gracilis6 Matthew and Granger 1924 carnivoran
FM 487-95 - holotype
"Viverravus constans n. sp." = Shandgolictis constans4 Matthew and Granger 1924 carnivoran
AMNH 19130 - type
"Cynodictis elegans n. sp." = Stenoplesictis elegans4 Matthew and Granger 1924 carnivoran
AMNH 19016 - type
 Carnivora - Palaeogalidae
"Bunaelurus parvulus n. sp." = Palaeogale sectoria4, "Bunaelurus ulysses n. sp." = Palaeogale sectoria4
"Bunaelurus parvulus n. sp." = Palaeogale sectoria4 Gervais 1848 carnivoran
AMNH 19013 - type
"Bunaelurus ulysses n. sp." = Palaeogale sectoria4 Gervais 1848 carnivoran
AMNH 19004 - type
 Perissodactyla - Paraceratheriidae
"Baluchitherium grangeri n. sp." = Paraceratherium grangeri5
"Baluchitherium grangeri n. sp." = Paraceratherium grangeri5 Osborn 1923 odd-toed ungulate
AMNH 18650 - type; referred specimen: AMNH 18652
 Theriamorpha - Changlelestidae
Tupaiodon morrisi3, "Tupaiodon minutus" = Zaraalestes minutus3
Tupaiodon morrisi3 Matthew and Granger 1924 placental
AMNH 19134 - holotype
"Tupaiodon minutus" = Zaraalestes minutus3 Matthew and Granger 1924 placental
AMNH 19135 - type
 Theriamorpha - Erinaceidae
Palaeoscaptor rectus n. sp.3 Matthew and Granger 1924 hedgehog
AMNH 19146 - type
 Lagomorpha - Leporidae
Desmatolagus robustus n. sp.1 Matthew and Granger 1923 rabbit
AMNH 19116 - type
Desmatolagus gobiensis n. gen. n. sp.1 Matthew and Granger 1923 rabbit
type: AMNH 19103 (in text) but 19102 in the figure caption
 Rodentia - Bathyergidae
Cyclomylus lohensis n. gen. n. sp.2, Tsaganomys altaicus n. gen. n. sp.2
Cyclomylus lohensis n. gen. n. sp.2 Matthew and Granger 1923 mole rat
AMNH 19096 - type; paratypes: AMNH 19095, 19097 and 19098
Tsaganomys altaicus n. gen. n. sp.2 Matthew and Granger 1923 mole rat
AMNH 19019 - type; paratypes: AMNH 19020, 19029, 19030, 19033, 19037, 19038
 Rodentia - Ctenodactylidae
Karakoromys decessus n. gen. n. sp.1, Tataromys sigmodon n. sp.1, Tataromys plicidens n. gen. n. sp.1
Karakoromys decessus n. gen. n. sp.1 Matthew and Granger 1923 gundi
AMNH 19070 - type
Tataromys sigmodon n. sp.1 Matthew and Granger 1923 gundi
AMNH 19079 - type
Tataromys plicidens n. gen. n. sp.1 Matthew and Granger 1923 gundi
AMNH 19082 - type; paratypes: AMNH 19081, 19083 and 19084
 Rodentia - Cricetidae
Cricetops dormitor n. gen. n. sp.1, Selenomys mimicus n. gen. n. sp.1, "Eumys asiaticus n. sp." = Eucricetodon asiaticus1
Cricetops dormitor n. gen. n. sp.1 Matthew and Granger 1923 mouse
AMNH 19054 - type; paratypes: including AMNH 19051 and 19059
Selenomys mimicus n. gen. n. sp.1 Matthew and Granger 1923 mouse
AMNH 19085 - type; paratypes: AMNH 19086-19093
"Eumys asiaticus n. sp." = Eucricetodon asiaticus1 Matthew and Granger 1923 mouse
AMNH 19094 - type
 Rodentia - Cylindrodontidae
"Prosciurus lohiculus n. sp." = Anomoemys lohiculus1
"Prosciurus lohiculus n. sp." = Anomoemys lohiculus1 Matthew and Granger 1923 rodent
AMNH 19100 - type
 Didymoconida -
Didymoconus berkeyi n. sp.4, Didymoconus colgatei n. gen. n. sp.4
Didymoconus berkeyi n. sp.4 Matthew and Granger 1924 eutherian
AMNH 19001 - type
Didymoconus colgatei n. gen. n. sp.4 Matthew and Granger 1924 eutherian
AMNH 19124 - holotype; paratypes: AMNH 19003 and 19004