Also known as Level 1
Where: Nei Mongol, China (43.2° N, 111.6° E: paleocoordinates 44.2° N, 102.8° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Nomogen Formation, Late/Upper Paleocene (58.7 - 55.8 Ma)
• Upper Nomogen formation at Bayan Ulan (within the lower 3 m of the section), late Paleocene
Environment/lithology: terrestrial; red, muddy siltstone
Size classes: macrofossils, mesofossils
Collected in 1987 and 1992–1995; reposited in the IVPP
Primary reference: J. Meng, A. R. Wyss, Y. Hu, Y. Wang, G. J. Bowen and P. L. Koch. 2005. Glires (Mammalia) from the Late Paleocene Bayan Ulan Locality of Inner Mongolia. American Museum Novitates 3473:1-25 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133389: authorized by Philip Mannion, entered by Philip Mannion on 11.09.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
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Prodinoceras xinjiangensis uintathere | |
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Prionessus cf. lucifer Matthew and Granger 1925 multituberculate | |
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Cimolesta indet. McKenna 1975 eutherian | |
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Hyracolestes ermineus Matthew and Granger 1925 eutherian | |
Convallisodon haliutensis n. sp.1, Convallisodon convexus n. gen. n. sp.1, Pastoralodon lacustris n. gen. n. sp.1
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Leptictida indet. eutherian | |
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Perissodactyla indet. odd-toed ungulate | |
Prolimnocyon chowi n. sp.4
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Viverravus sp. Marsh 1872 placental | |
Pachyaena sp., "Dissacus serratus" = Dissacus serratus2, "Plagiocristodon serratus n. gen. n. sp." = Dissacus serratus1
Pachyaena sp. Cope 1874 condylarth
"Plagiocristodon serratus n. gen. n. sp." = Dissacus serratus1 Chow and Qi 1978 condylarth IVPP V5480 - holotype
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Bayanulanius tenuis n. gen. n. sp.4
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Palaeomylus sp. Meng et al. 2005 placental IVPP V14125.1 (fragmentary left mandible with erupting p4 and partial m1), V14125.2 (an isolated right m1), V14125.3 (a talonid of left m3), V14125.4 (a talonid of right m2), V14125.5 (a fragmentary right mandible with broken incisor and roots of p3–m2 are preserved). These specimens were previously referred to Eomylus borealis (Dashzeveg and Russell, 1988; Meng et al., 1998)
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Tribosphenomys minutus n. gen. n. sp.3
Tribosphenomys minutus n. gen. n. sp.3 Meng et al. 1994 rodent IVPP 10775 - holotype (left maxilla, mandible and teeth)
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Eomylus bayanulanensis n. sp. Meng et al. 2005 placental IVPP V14126.1 - type (right M2); referred material: V14126.2 (a left maxilla with M1–3 in which the labial edges of the teeth are incomplete), V14127.1 (a fragmentary right mandible with m1–3), V14127.2 (a fragmentary left mandible with partial m2–3), V14127.3 (a fragmentary right mandible with broken m2–3 and a separated anterior portion of a left mandible with incisor [from the same nodule containing V14126.2]) and V14127.4 (a left m3 with little wear)
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