Tsagan Khushu Quarry 1 (Eocene of Mongolia)

Also known as Tsagan-Khusu

Where: Southern Mongolia, Mongolia (44.6° N, 106.2° E: paleocoordinates 45.2° N, 98.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bumban Member (Naran Bulak Formation), Bumbanian (55.8 - 48.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red gravel

• Red gravelstone

Size classes: macrofossils, mesofossils, microfossils

Collected by South Gobi Party of the Joint Soviet–Mongolian Paleontological Expedition headed by V.Yu. Reshetov in 1980; reposited in the PIN

Primary reference: D. Dashzeveg, J.-L. Hartenberger, T. Martin and S. Legendre. 1998. A peculiar minute Glires (Mammalia) from the early Eocene of Mongolia. Bulletin of Carnegie Museum of Natural History 34:194-209 [X. Wang/X. Wang/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37206: authorized by Xiaoming Wang, entered by Xiaoming Wang on 04.03.2004, edited by Patricia Holroyd, K. Christopher Beard, Mark Uhen and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Lindholmemydidae
Paramongolemys khosatzkyi2 Danilov and Sukhanov 2013 turtle
PIN, no. 3104
 Testudines - Panemydidae
Pseudochrysemys gobiensis n. gen. n. sp.5
Pseudochrysemys gobiensis n. gen. n. sp.5 Sukhanov and Narmandakh 1976 turtle
Aves
 Ornithurae -
Galliformes indet.7 Temminck 1820 fowl
ISMD-VP-10 (proximal portion of a left humerus)
 Anseriformes - Presbyornithidae
Presbyornis sp.10 Wetmore 1926 waterfowl
PIN specimens (quadrates, sterna, furculae, coracoids, scapulae, humeri, radii, ulnae, carpometacarpi, manual phalanges, femora and tibiotarsi)
Presbyornis mongoliensis n. sp.10 Kurochkin and Dyke 2010 waterfowl
PIN 3104-607 - type (distal end of left tarsometarsus) and paratypes: PIN 3104-69, 229, 601, 684 (distal ends of left tarsometatarsi) and PIN 3104-115, 716 (distal ends of right tarsometatarsi)
Mammalia
 Cimolesta - Cimolestidae
Naranius infrequens n. gen. n. sp.13, Bagalestes trofimovi n. gen. n. sp.12
Naranius infrequens n. gen. n. sp.13 Russell and Dashzeveg 1986 eutherian
Bagalestes trofimovi n. gen. n. sp.12 Lopatin 2006 eutherian
PIN 3104/960 - holotype; referred material: PIN 3104/959
 Cimolesta - Palaeoryctidae
Tsaganius ambiguus n. gen. n. sp.13
Tsaganius ambiguus n. gen. n. sp.13 Russell and Dashzeveg 1986 eutherian
 Cimolesta - Sarcodontidae
Prosarcodon maturus n. sp.12 Lopatin and Kondrashov 2004 eutherian
PIN 3104/778 - type
 Primates -
Altanius orlovi n. gen. n. sp.5
Altanius orlovi n. gen. n. sp.5 Dashzeveg and McKenna 1977 primate
ASMPR GISPS coll. 7, no. 20-8 - holotype
 Rodentia - Alagomyidae
Alagomys inopinatus n. gen. n. sp.4
Alagomys inopinatus n. gen. n. sp.4 Dashzeveg 1990 rodent
PSS 20-176 - holotype; referred material: PSS 20-177
 Rodentia -
Euboromys grandis1 Dashzeveg 1990 rodent
 Rodentia - Tamquammyidae
Tsagankhushumys deriphatus Shevyreva 1989 rodent
Orogomys obscurus n. gen. n. sp.4 Dashzeveg 1990 rodent
PSS 20-174 - holotype; referred material: PSS 20-175
Adolomys ameristus n. gen. n. sp. Shevyreva 1989 rodent
Sharomys singularis Dashzeveg 1990 rodent
Sharomys parvus n. sp.3 Dashzeveg 1990 rodent
PSS 20-24; referred material: PSS 20-23
Kharomys gracilis n. sp.3 Dashzeveg 1990 rodent
PSS 20-92
Bumbanomys edestus Shevyreva 1989 rodent
Tsagamys subitus n. gen. n. sp.3 Dashzeveg 1990 rodent
PSS 20-96 - holotype
 Rodentia -
Ivanantonia efremovi Shevyreva 1989 rodent
 Rodentia - Yuomyidae
? Esesempomys centralasiae Shevyreva 1989 rodent
 Mixodontia - Decipomyidae
Decipomys mongoliensis Dashzeveg et al. 1998 placental
 Mixodontia - Mimotonidae
Gomphos elkema Shevyreva 1975 placental
 Glires -
 Glires - Eurymylidae
Rhombomylus cf. turpanensis Zhai 1978 placental
Zagmys insolitus Dashzeveg et al. 1987 placental
 Condylarthra - Hyopsodontidae
Midiagnus gracilis n. sp.8 Kondrashov 2004 condylarth
 Placentalia -
Lipotyphla indet.13 Haeckel 1866 placental
PSS 20-62
 Perissodactyla -
Homogalax namandicus odd-toed ungulate
 Perissodactyla - Palaeotheriidae
Hyracotherium gabuniai Hooker and Dashzeveg 2004 odd-toed ungulate
 Tribosphenida - Nyctitheriidae
Nyctitheriidae indet.13, Eosoricodon terrigena n. gen. n. sp.12, Edzenius lus n. gen. n. sp.12, Oedolius perexiguus n. gen. n. sp.13, Bumbanius rarus n. gen. n. sp.13
Nyctitheriidae indet.13 Simpson 1928 placental
PSS 20-60
Eosoricodon terrigena n. gen. n. sp.12 Lopatin 2005 placental
PIN 3104/900 - holotype
Edzenius lus n. gen. n. sp.12 Lopatin 2006 placental
PIN 3104/949 - holotype
Oedolius perexiguus n. gen. n. sp.13 Russell and Dashzeveg 1986 placental
Bumbanius rarus n. gen. n. sp.13 Russell and Dashzeveg 1986 placental
 Tribosphenida - Plesiosoricidae
Ordolestes ordinatus n. gen. n. sp.12
Ordolestes ordinatus n. gen. n. sp.12 Lopatin 2006 placental
PSS 20-124
 Acreodi - Mesonychidae
Dissacus zanabazari n. sp.6 Geisler and McKenna 2007 condylarth
 Hyaenodonta - Hyaenodontidae
? Prototomus sp.11 Cope 1874 eutherian
PIN, no. 3104/787
Arfia langebadreae n. sp.11 Lavrov and Lopatin 2004 eutherian
PIN, no. 3104/785 - type
 Artiodactyla - Homacodontidae
Tsaganohyus pecus n. gen. n. sp.9
Tsaganohyus pecus n. gen. n. sp.9 Kondrashov et al. 2004 even-toed ungulate