Khuren-Dukh (PIN coll. 3386) [SMPE] (Cretaceous to of Mongolia)

Also known as Huren-duh, Hüren-Dukh, Soviet-Mongolian Paleontological Expedition, Khuren Dukh

Where: Dornogov, Mongolia (45.8° N, 108.4° E: paleocoordinates 49.3° N, 100.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Member (Khuren Dukh Formation), Middle Albian to Middle Albian (109.0 - 99.6 Ma)

• formerly assigned to Shinekhudag = Shinehuduk Fm. Also referred to previously as the Dzun-Bayin or Züünbayan Formation, and the Hühteeg Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; sandstone and claystone

• "large lake which lay within a shallow intermontane basin"
• "sediments consisting largely of grey and yellow-grey, poorly cemented and poorly sorted sands and clays, with thin gravels at some horizons"

Size class: macrofossils

Collected by SMPE in 1970-1971, 1981

Collection methods: surface (in situ), mechanical,

Primary reference: N. N. Kalandadze and S. M. Kurzanov. 1974. Nizhnemelove mestonakhozhdeniya nazemnykh pozvonochnykh Mongolii [Lower Cretaceous terrestrial vertebrate localities of Mongolia]. In N. N. Kramarenko, B. Luvsandansan, Yu. I. Voronin, R. Barsbold, A. K. Rozhdestve (eds.), Mesozoic and Cenozoic Faunas and Biostratigraphy of Mongolia. The Joint Soviet-Mongolian Paleontological Expedition, Transactions 1:288-295 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52007: authorized by Matthew Carrano, entered by Matthew Carrano on 11.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gnathostomata
  -
Osteichthyes indet. bony fish
"ganoid" fishes
Reptilia
 Testudines - Macrobaenidae
Hangaiemys hoburensis Sukhanov and Narmandakh 1974 turtle
misspelled as 'Changaiemys'
 Theropoda -
Theropoda indet. theropod
"small carnivorous dinosaurs"
 Theropoda - Deinocheiridae
Harpymimus okladnikovi n. gen. n. sp.3
Harpymimus okladnikovi n. gen. n. sp.3 Barsbold and Perle 1984 ornithomimosaur
SPS 100/29
 Ornithischia -
Psittacosaurus sp. Osborn 1923 ceratopsian
Altirhinus kurzanovi n. gen. n. sp.3 Norman 1998 ornithopod
PIN 3386/7 to 9, 3390, 3391
 Pterosauria - Ornithocheiridae
Ornithocheiridae indet.3 pterosaur
MMNH 100/30, rostral end of upper jaw, almost complete lower jaw and most of the postcranial skeleton
 Choristodera -
"Tchoiria egloni n. sp." = Irenosaurus egloni2, Khurendukhosaurus orlovi n. gen. n. sp.4, Tchoiria namsarai n. gen. n. sp.1
"Tchoiria egloni n. sp." = Irenosaurus egloni2 Efimov 1983 choristodere
PIN 3386/2 (fragmentary postcranial skeleton)
Khurendukhosaurus orlovi n. gen. n. sp.4 Sigogneau-Russell and Efimov 1984 choristodere
PIN 3386/3 - holotype (partial skeleton); 3386/6
Tchoiria namsarai n. gen. n. sp.1 Efimov 1975 choristodere