Khaichin Ula II [SMPE]: Middle Eocene, Mongolia
collected by SMPE 1969–1973, 1978

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Didymoconida
Ardynictis captor n. sp. Lopatin 2003
Lopatin 2003
PIN, no. 3107/333 - type (fragment of the right maxilla with P4-M2)
Khaichinula lupula n. gen., n. sp. Lopatin 2006
Lopatin 2006
PIN 3107/326 - holotype
Erlikotherium edentatum n. gen., n. sp. Lopatin 2006
Lopatin 2006
PIN 3107/358 - holotype
Kennatherium shirensis Mellett and Szalay 1968
Lopatin 2003
corrected as Kennatherium shirense
PIN 3107 specimens
Mammalia - Proteutheria - Palaeoryctidae
Nuryctes gobiensis n. sp. Lopatin and Averianov 2004
Lopatin and Averianov 2004
PIN 3107/414 - type
Mammalia - Apternodontidae
Asiapternodus mackennai n. gen., n. sp. Lopatin 2003
Lopatin 2003
PIN, no. 3107/400 - holotype (incomplete right maxilla containing P4-M3)
Mammalia - Soricidae
Soricolestes soricavus n. gen., n. sp. Lopatin 2002
Lopatin 2002
PIN, no. 3107/405 - holotype (fragmentary right mandible with P4–M3 and alveoli of C1–P3)
Mammalia - Erinaceidae
Eogalericius butleri n. gen., n. sp. Lopatin 2004
Lopatin 2004
PIN, no. 3107/420 - holotype (fragmentary right maxilla with P4–M2)
Mammalia - Entelodontidae
Proentelodon minutus n. gen., n. sp. Vislobokova 2008
Vislobokova 2008
PIN, no. 3107/470 - holotype
Mammalia - Dichobunidae
Chorlakkia valerii n. sp. Vislobokova 2004
Vislobokova 2004 1 specimen
Haqueina haichinensis Vislobokova 2004
1 specimen
Mammalia - Helohyidae
Gobiohyus pressidens Matthew and Granger 1925
Vislobokova 2004 1 specimen
Gobiohyus reshetovi n. sp. Vislobokova 2004
Vislobokova 2004 1 specimen
Mammalia - Creodonta - Hyaenodontidae
Pterodon rechetovi n. sp. Dashzeveg 1985
Dashzeveg 1985
recombined as Neoparapterodon rechetovi
Mammalia - Rodentia
Boromys grandis n. gen., n. sp. Dashzeveg 1990
Dashzeveg 1990
recombined as Euboromys grandis
PSS 30-4 - holotype
Petrokozlovia notos n. gen., n. sp. Shevyreva 1972
Averianov 1996
Mammalia - Lagomorpha
Strenulagus solaris Lopatin and Averianov 2006
Lopatin and Averianov 2006
PIN, no. 3107/450-452
Mammalia - Sarcodontidae
Metasarcodon reshetovi n. gen., n. sp. Lopatin and Kondrashov 2004
Lopatin 2006
PIN 3107/401 - holotype
Reptilia - Changjiangosauridae
Graminisaurus interruptus n. gen., n. sp. Alifanov 2009
Alifanov 2009 1 specimen
PIN, no. 3107/234 (holotype), right dentary without surangular process
Agamimus gracilis n. gen., n. sp. Alifanov 2009
Alifanov 2009 29 specimens
PIN, no. 3107/280 (holotype), dentary; PIN 3107/276–279, maxillae; 3107/281–306, dentaries.
Lentisaurus giganteus n. gen., n. sp. Alifanov 2009
Alifanov 2009 1 specimen
PIN, no. 3107/226 (holotype), left maxilla
Acrodontopsis robustus n. gen., n. sp. Alifanov 2009
Alifanov 2009 17 specimens
PIN, no. 3107/246 (holotype), dentary; PIN nos. 3107/235–245 and 247–251, dentary fragments.
Khaichinsaurus reshetovi n. gen., n. sp. Alifanov 2009
Alifanov 2009 5 specimens
PIN, no. 3107/227 (holotype), almost complete left maxilla and left dentary, plus fragment of the posterior part of the right surangular; PIN, nos. 3107/229, maxillary fragment without teeth; 3107/230–232, dentary fragments.
Lavatisaurus elegans n. gen., n. sp. Alifanov 2009
Alifanov 2009 24 specimens
PIN, no. 3107/257 (holotype), dentary; PIN nos. 3107/252–256, 258–275, dentaries.
Reptilia - Arretosauridae
Dornosaurus gobiensis n. gen., n. sp. Alifanov 2012
Alifanov 2012 11 specimens
PIN, no. 3107/321 (holotype), frontal with bro ken off anterior and posterolateral ends; PIN, nos. 3107/322, 323, fragments of maxillae; PIN, nos. 3107/307, 314–320, dentary fragments
Khaichinguana eocaenica n. gen., n. sp. Alifanov 2012
Alifanov 2012 11 specimens
PIN, no. 3107/308 (holotype), almost complete frontal; PIN, nos. 3107/309–313, fragments of maxillae; PIN, nos. 3107/324–328, dentary fragments
see common names

Geography
Country:Mongolia State/province:Ovorhangai
Coordinates: 43.7° North, 99.9° East (view map)
Paleocoordinates:44.5° North, 93.4° East
Basis of coordinate:estimated from map
Altitude:911 meters
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2-3
Key time interval:Middle Eocene
Age range of interval:47.80000 - 37.71000 m.y. ago
Stratigraphy
Formation:Khaychin
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Associated major elements:all
Fragmentation:frequent
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:PIN
Collectors:SMPE Collection dates:1969–1973, 1978
Collection method comments: Southern Gobi Team of the Joint Soviet– Mongolian Paleontological Expedition
Metadata
Also known as:Haichin Ula; Khaychin-Ula 2; Khaychin Ula 2; PIN 3107; Kaïtchin-Ula II
Database number:93596
Authorizer:M. Uhen, P. Barrett, P. Mannion Enterer:M. Uhen, T. Cleary, P. Mannion
Modifier:M. Carrano Research group:vertebrate
Created:2010-01-25 14:00:50 Last modified:2019-06-24 14:31:18
Access level:the public Released:2010-01-25 14:00:50
Creative Commons license:CC BY
Reference information

Primary reference:

31708. I. A. Vislobokova. 2004. A new representative of the Family Raoellidae (Suiformes) from the middle Eocene of Khaichin-Ula2, Mongolia. Paleontological Journal 38(2):220-226 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

59619 V. R. Alifanov. 2009. New acrodont lizards (Lacertilia) from the Middle Eocene of southern Mongolia. Paleontological Journal 43(6):675-685 [P. Barrett/T. Cleary]
59640 V. R. Alifanov. 2012. Lizards of the family Arretosauridae Gilmore, 1943 (Iguanomorpha, Iguania) from the Paleogene of Mongolia. Paleontological Journal 46(4):412-420 [P. Barrett/T. Cleary]
59967 A. O. Averianov. 1996. Early Eocene Rodentia of Kyrgyzstan. Bulletin du Museum national d'Histoire naturelle, Paris, 4e serie 18:629-662 [P. Mannion/P. Mannion]
58159 D. Dashzeveg. 1985. Nouveaux Hyaenodontidae (Creondonta, Mammalia) du Paléogène de Mongolie. Annales de Paléontologie 71(4):223-256 [P. Coster/P. Coster/P. Holroyd]
59992 D. Dashzeveg. 1990. The earliest rodents (Rodentia, Ctenodactyloidea) of Central Asia. Acta Zoologica Cracoviensia 33(2):11-35 [P. Mannion/P. Mannion]
69233 E. N. Kurochkin and R. Barsbold. 2000. The Russian-Mongolian expeditions and research in vertebrate palaeontology. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia 235-255 [M. Carrano/M. Carrano]
57074 A. V. Lopatin. 2002. The Earliest Shrew (Soricidae, Mammalia) from the Middle Eocene of Mongolia. Paleontological Journal 36(6):650-659 [P. Mannion/P. Mannion]
57030 A. V. Lopatin. 2003. A New Species of Ardynictis (Didymoconidae, Mammalia) from the Middle Eocene of Mongolia. Paleontological Journal 37(3):303-311 [P. Mannion/P. Mannion]
57071 A. V. Lopatin. 2003. A Zalambdodont Insectivore of the Family Apternodontidae (Insectivora, Mammalia) from the Middle Eocene of Mongolia. Paleontological Journal 37(2):187-195 [P. Mannion/P. Mannion]
57069 A. V. Lopatin. 2004. A New Genus of the Galericinae (Erinaceidae, Insectivora, Mammalia) from the Middle Eocene of Mongolia. Paleontological Journal 38(3):319-326 [P. Mannion/P. Mannion]
50837 A. V. Lopatin. 2006. Early Paleogene insectivore mammals of Asia and establishment of the major groups of Insectivora. Paleontological Journal 40(3):S205-S405 [P. Wagner/P. Wagner/P. Mannion]
60961 A. V. Lopatin and A. O. Averianov. 2004. New Palaeoryctidae (Mammalia) from the Eocene of Kyrgyzstan and Mongolia. Paleontological Journal 38(5):556-562 [P. Mannion/P. Mannion]
57106 A. V. Lopatin and A. O. Averianov. 2006. Eocene Lagomorpha (Mammalia) of Asia: 2. Strenulagus and Gobiolagus (Strenulagidae). Paleontological Journal 40(2):198-206 [P. Mannion/P. Mannion]
31709 I. A. Vislobokova. 2004. Artiodactyls from the Middle Eocene of Khaichin-Ula II, Mongolia. Paleontological Journal 38(1):90-96 [M. Uhen/M. Uhen]
57262 I. A. Vislobokova. 2008. The Oldest Representative of Entelodontoidea (Artiodactyla, Suiformes) from the Middle Eocene of Khaichin Ula II, Mongolia, and Some Evolutionary Features of This Superfamily. Paleontological Journal 42(6):643-654 [P. Mannion/P. Mannion]