Where: Nei Mongol, China (43.5° N, 111.7° E: paleocoordinates 44.5° N, 102.9° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Bayan Ulan Beds Member (Nomogen Formation), Gashatan (58.7 - 55.8 Ma)
• all fossils are apparently from one "horizon" well under 1 m thick, but it apparently contains several distinct pebble layers
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; paleosol/pedogenic, concretionary conglomerate
Size classes: macrofossils, mesofossils, microfossils
Collection methods: bulk, sieve,
• sediment was "screenwashed for vertebrate fossils"
Primary reference: J. Van Itterbeeck, P. Missiaen, A. Folie, V. S. Markevich, D. Van Damme, D.-Y. Guo, and T. Smith. 2007. Woodland in a fluvio-lacustrine environment on the dry Mongolian Plateau during the late Paleocene: Evidence from the mammal bearing Subeng section (Inner Mongolia, P.R. China). Palaeogeography, Palaeoclimatology, Palaeoecology 243(1-2):55-78 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 71076: authorized by John Alroy, entered by John Alroy on 17.04.2007, edited by K. Christopher Beard
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Mesodmops tenuis n. sp.4
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Hapalodectes paleocenus n. sp.1
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Tribosphenomys secundus2 Lopatin and Averianov 2004 rodent cited as "Tribosphenomys cf. T. secundus"
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Subengius mengi n. gen. n. sp.5
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Ostracoda | |
Cyprois xuyiensis Zhou and Chen 1982 ostracod | |
Ilyocypris multinoda Yang 1982 ostracod | |
Caganella oblonga Khand 1976 ostracod | |
Cypris dashzevegi Khand 1976 ostracod | |
Limnocythere nemegtensis, Timiriasevia sp., Timiriasevia subengensis, Timiriasevia ulanbulakensis, Timiriasevia naranbulakensis
Limnocythere nemegtensis Szczechura 1971 ostracod
Timiriasevia sp. Mandelstam 1947 ostracod
Timiriasevia subengensis Van Itterbeeck and Bultynck 2004 ostracod
Timiriasevia ulanbulakensis Szczechura 1971 ostracod
Timiriasevia naranbulakensis Szczechura 1971 ostracod | |
Caenoclavator hubeiensis Wang and Lu 1982 | |
Gobichara latielliptica, Gobichara tenera, Gobichara nigra, Gobichara deserta, Gobichara rubra, Sphaerochara minutissima, Pseudolatochara sp., Pseudolatochara ovatoides, Nemegtichara quarta, Nemegtichara secunda, Nemegtichara prima, Stephanochara cuniformis, Stephanochara grandiceps, Stephanochara lauta, Stephanochara stipitata, Stephanochara grambasti, Maedleriella sp., Collichara xiaohekouensis, Collichara taizhouensis, Grovesichara kielani, Grovesichara changzhouensis, Neochara huananensis
Gobichara latielliptica Lu and Luo 1990
Gobichara tenera Karczewska and Ziembinska-Tworzydlo 1972
Gobichara nigra Karczewska and Ziembinska-Tworzydlo 1972
Gobichara deserta Karczewska and Ziembinska-Tworzydlo 1972
Gobichara rubra Karczewska and Ziembinska-Tworzydlo 1972
Sphaerochara minutissima Mädler 1955
Pseudolatochara sp. Wang 1978
Pseudolatochara ovatoides Huang and Zhang 1984
Nemegtichara quarta Karczewska and Ziembinska-Tworzydlo 1972
Nemegtichara secunda Karczewska and Ziembinska-Tworzydlo 1972
Nemegtichara prima Karczewska and Ziembinska-Tworzydlo 1972
Stephanochara cuniformis Zhang 1978
Stephanochara grandiceps Wang 1981
Stephanochara lauta Liu 1987
Stephanochara stipitata Liu 1987
Stephanochara grambasti Karczewska and Ziembinska-Tworzydlo 1972
Maedleriella sp. Grambast 1957
Collichara xiaohekouensis Wang and Zhang 1982
Collichara taizhouensis Wang and Zhang 1982
Grovesichara kielani Karczewska and Ziembinska-Tworzydlo 1972
Grovesichara changzhouensis Wang ex Huang and S. Wang 1978
Neochara huananensis Wang and Lin 1978 | |
Mesochara sp., Microchara cf. vestita, Chara sp., Peckichara subsphaerica, Peckichara lefeldi, Peckichara varians
Mesochara sp. Grambast 1962
Microchara cf. vestita Castel 1969
Chara sp. Linnaeus 1753 stonewort
Peckichara subsphaerica Lin and Wang 1982
Peckichara lefeldi Karczewska and Ziembinska-Tworzydlo 1973
Peckichara varians Grambast 1957 |