Khugenetjavkhlant (Cretaceous to of Mongolia)

Also known as Khugenetslavkant, Khugenetslavkant

Where: Dornogov, Mongolia (44.4° N, 109.4° E: paleocoordinates 43.1° N, 98.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Javkhlant Formation, Santonian to Santonian (86.3 - 72.1 Ma)

• described informally as the "Khugenetslavkant sandstone facies", overlying the Khar Khutul (= Khar Hötöl) beds; corrected to Late Cretaceous Shine Us Khudag redbeds = Javkhlant Formation. Middle of formation

• group of beds-level stratigraphic resolution

Environment/lithology: alluvial fan; poorly lithified, red sandstone

• "reddish, poorly consolidated sandstones"; "pale red"

Size class: macrofossils

Collected by AMNH-MAS in 1991–2007, 2014

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: P. J. Makovicky and M. A. Norell. 2006. Yamaceratops dorngobiensis, a new primitive ceratopsian (Dinosauria: Ornithischia) from the Cretaceous of Mongolia. American Museum Novitates 3530:1-42 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80183: authorized by Matthew Carrano, entered by Matthew Carrano on 08.04.2008, edited by Matthew Oreska

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Neornithischia - Thescelosauridae
Haya griva n. gen. n. sp.2
Haya griva n. gen. n. sp.2 Makovicky et al. 2011 ornithischian
 Ornithischia -
Ceratopsia indet. ceratopsian
fragmentary surface-collected bones, not further identified
Yamaceratops dorngobiensis n. gen. n. sp. Makovicky and Norell 2006 ceratopsian
IGM 100/1315, 1303, 1867; MPC-D 100/553
 Theropoda -
Theropoda indet.3 Marsh 1881 theropod
 Theropoda - Ornithomimidae
? Ornithomimidae indet.3 Marsh 1890 ornithomimid
Aves
 Enantiornithes -
Enantiornithes indet.4 bird
IGM 100/2010, egg
Reptilia
 Theropoda - Alvarezsauridae
Albinykus baatar n. gen. n. sp.3
Albinykus baatar n. gen. n. sp.3 Nesbitt et al. 2011 coelurosaur
IGM 100/3004, R ilium, partial ischium, R femur fragment, R tibia, L proximal L and R fibulae, complete R and L pedes
 Squamata -
Lacertilia indet.2 lizard
"lizards"
Mammalia
 Mammalia -
Mammalia indet.2 mammal
"other mammals"
 Theriamorpha - Zalambdalestidae
Zalambdalestidae indet.1 Gregory and Simpson 1926 eutherian
new taxon