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Khuren Dukh, Dundgovi Province, Mongolia

Formation	Khuren Dukh
Age:	109 - 100 Ma Cretaceous
Interval	Middle Albian - Late Albian
Tectonic Setting	Intermontane basin
Lithology	sandstone/claystone, sandstone/mudstone
Number of Collections	5
Number of Occurrences	22

Recorded Sample Locations

Location	Region	Stratigraphic Name
Undurshil Ula	Dundgovi Province, Mongolia	Khuren Dukh
Khuren Dukh I [HMNS-GIN]	Dundgovi Province, Mongolia	Khuren Dukh
Khuren Dukh II	Dundgovi Province, Mongolia	Khuren Dukh
Khuren Dukh tracksite	Dundgovi Province, Mongolia	Khuren Dukh
Khuren Dukh III [HMNS-GIN]	Dundgovi Province, Mongolia	Khuren Dukh

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Baruungoyot	83.5 - 70.6 Ma Late/Upper Cretaceous	sandstone, sandstone/mudstone, marl/claystone, sandstone/conglomerate, mudstone/sandstone	253
Khulsangol	113 - 101 Ma Early/Lower Cretaceous		2

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Altirhinus kurzanovi species	7	Animalia : Chordata : Ornithischia : Altirhinus : *Altirhinus kurzanovi*	109 - 99.6 Ma Cretaceous
Ankylosauria unranked clade	99	Animalia : Chordata : Ornithischia : Ankylosauria	109 - 99.6 Ma Cretaceous
Iguanodontia unranked clade	99	Animalia : Chordata : Ornithischia : Fulgurotherium : Iguanodontia	109 - 99.6 Ma Cretaceous
Psittacosaurus sp. genus	6	Animalia : Chordata : Reptilia : Dinosauria : Psittacosauridae : *Psittacosaurus*	109 - 99.6 Ma Cretaceous
Osteichthyes unranked clade	99	Animalia : Chordata : Osteichthyes	109 - 99.6 Ma Cretaceous
Champsosauridae family	5	Animalia : Chordata : Reptilia : Champsosauridae	109 - 99.6 Ma Cretaceous
Irenosaurus egloni species	7	Animalia : Chordata : Reptilia : Choristodera : Irenosaurus : *Irenosaurus egloni*	109 - 99.6 Ma Cretaceous
Khurendukhosaurus sp. genus	6	Animalia : Chordata : Reptilia : *Khurendukhosaurus*	109 - 99.6 Ma Cretaceous
Khurendukhosaurus orlovi species	7	Animalia : Chordata : Reptilia : Khurendukhosaurus : *Khurendukhosaurus orlovi*	109 - 99.6 Ma Cretaceous
Tchoiria namsarai species	7	Animalia : Chordata : Reptilia : Simoedosauridae : Tchoiria : *Tchoiria namsarai*	109 - 99.6 Ma Cretaceous
Dinosauria order	4	Animalia : Chordata : Reptilia : Dinosauria	109 - 99.6 Ma Cretaceous
Pterosauria order	4	Animalia : Chordata : Reptilia : Pterosauria	109 - 99.6 Ma Cretaceous
Ornithocheiridae family	5	Animalia : Chordata : Reptilia : Pterosauria : Ornithocheiridae	109 - 99.6 Ma Cretaceous
Testudinata unranked clade	99	Animalia : Chordata : Reptilia : Protochelys : Testudinata	109 - 99.6 Ma Cretaceous
Hangaiemys sp. genus	6	Animalia : Chordata : Reptilia : Testudines : Macrobaenidae : *Hangaiemys*	109 - 99.6 Ma Cretaceous
Hangaiemys hoburensis species	7	Animalia : Chordata : Reptilia : Testudines : Macrobaenidae : Hangaiemys : *Hangaiemys hoburensis*	109 - 99.6 Ma Cretaceous
Harpymimus okladnikovi species	7	Animalia : Chordata : Saurischia : Avetheropoda : Harpymimus : *Harpymimus okladnikovi*	109 - 99.6 Ma Cretaceous
Theropoda unranked clade	99	Animalia : Chordata : Saurischia : Theropoda	109 - 99.6 Ma Cretaceous

References

Kalandadze N. N., Kurzanov S. M. (1974) Nizhnemelove mestonakhozhdeniya nazemnykh pozvonochnykh Mongolii [Lower Cretaceous terrestrial vertebrate localities of Mongolia], Mesozoic and Cenozoic Faunas and Biostratigraphy of Mongolia. The Joint Soviet-Mongolian Paleontological Expedition, Transactions 1, 288-295

Efimov M. B. (1975) Khampsozavrid iz Nizhnego Mela Mongolii [Champsosaurid from the Lower Cretaceous of Mongolia], Iskopaemaya Fauna I Flora Mongolii [Fossil Flora and Fauna of Mongolia]. Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya, Trudy [The Joint Soviet-Mongolian Paleontological Expedition, Transactions] 2, 84-93

Kurzanov S. M. (1976) Noviy pozdnemelovoy karnozavr is Nogon-Tsava, Mongoliya [A new late Mesozoic carnosaur from Nogon-Tsav, Mongolia], Paleontology and Biostratigraphy of Mongolia. The Joint Soviet-Mongolian Paleontological Expedition, Transactions 3, 93-104

Sigogneau-Russell D., Efimov M. (1984) Un Choristodera (Eosuchia?) insolite du Crétacé Inférieur de Mongolie, Palaeontologische Zeitschrift 58 3/4, 279-294

Watabe M., Suzuki S. (2000) Report on the Japan–Mongolia Joint Paleontological Expedition to the Gobi desert, 1993, Hayashibara Museum of Natural Sciences Research Bulletin 1, 17-29

Suzuki S., Narmandakh P. (2004) Change of the Cretaceous turtle faunas in Mongolia, Hayashibara Museum of Natural Sciences Research Bulletin 2, 7-14

Ksepka D. T., Gao K-.Q., et al (2005) A new choristodere from the Cretaceous of Mongolia, American Museum Novitates 3468, 1-22

Matsukawa M., Lockley M. G., et al (2006) Cretaceous terrestrial biotas of East Asia, with special reference to dinosaur-dominated ichnofaunas: towards a synthesis, Cretaceous Research 27 1, 3-21

Matsumoto R., Suzuki S., et al (2009) New material of the enigmatic reptile Khurendukhosaurus (Diapsida: Choristodera) from Mongolia, Naturwissenschaften 96, 233-242 doi:10.1007/s00114-008-0469-6

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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