Yuanmou formation, first member, Shangnabang (Pleistocene of China)

Also known as Yuanmo formation

Where: Yunnan, China (24.9° N, 100.9° E: paleocoordinates 24.8° N, 100.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: first Member (Yuanmou Formation), Pleistocene (2.6 - 0.0 Ma)

• Early Quaternary. Thickness of the first member: 109,7 m.

•Semisulcospira, Viviparus, Margarya, Unio have been found only in the clay of the lower part of the first member; mammals are from the whole first member.

• member-level stratigraphic resolution

Environment/lithology: lacustrine; unlithified, gypsiferous, black, brown, gray, green, yellow, carbonaceous claystone and unlithified, fine-grained, brown, yellow sandstone

• variegated clay, alternated with subclay and thin-bedded sand and intercalated with lignite and black carbonaceous clay; calcareous and ferruginous concretions in the sandlayers

Size class: macrofossils

Collection methods: bulk,

Primary reference: Q. Pu and F. Qian. 1977. Identification of the Yuanmou fossil-man strata; study of the Yuanmou Formation. Acta Geologica Sinica (= Dizhi xuebao) 1977(1):89-100 [J. Alroy/S. Kuemmell/S. Kuemmell]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 36583: authorized by John Alroy, entered by Susanna K├╝mmell on 06.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• fossils of Bovidae are also found
 Unionida - Unionidae
Unio sp. Philipsson 1788 freshwater mussel
 Architaenioglossa - Viviparidae
Viviparus sp. Montfort 1810 snail
 Rodentia - Castoridae
? Trogontherium sp. Fischer von Waldheim 1809 beaver
 Perissodactyla - Rhinocerotidae
Rhinoceros sp. Linnaeus 1758 one-horned rhinoceros
 Carnivora - Felidae
Felis sp. Linnaeus 1758 cat
 Proboscidea - Elephantidae
 Artiodactyla - Cervidae
Cervus sp. Linnaeus 1758 deer