Xiacaowan, Sihong, Jiangsu Province (Miocene of China)

Also known as Hsiatsaohwan, Shihhung, Kiangsu.

Where: Jiangsu, China (33.5° N, 118.2° E: paleocoordinates 33.4° N, 115.8° E)

• coordinate based on nearby landmark

When: Xiacaowan Formation, Burdigalian (20.4 - 16.0 Ma)

• Late Burdigalian, Late Early Miocene, MN 4, Orleanian, Shanwangian. The fossil bearing layer consists of conglomeratic sands belonging to the 90m thick Xiacaowan Formation. Site and Formation also known as the Hsiasaohwan.

Environment/lithology: lacustrine

• Stratotype of the Xiacaowan = Hsiatsaohwan Formation.
• 'variegated sandy and marly clay.'

Size class: macrofossils

Collection methods: Excavated since 1981. Preliminary publication in 1983, however the faunal list has been extensively revised since then.

Primary reference: M. Chow and C.-K. Li. 1978. A correction of the age of the Hsiatsaohwan Formation and its mammalian fauna. Acta Stratigraphica Sinica 2(2):122-130 [A. Turner/H. O'Regan/H. O'Regan]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 43399: authorized by Alan Turner, entered by Hannah O'Regan on 13.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Chow and Li (1978) is largely a description of the Youngofiber beaver specimens. The updated microfaunal list given in PBD collection 13482 is not from the site of Xiacowan, rather it is a Formation list rather than a site list.
Show authors, comments, and common names
Reptilia
 Testudines - Trionychidae
Trionyx sp.
Trionyx sp. Geoffroy Saint-Hilaire 1809 softshell turtle
 Testudines - Emydidae
Chinemys reevesii
Chinemys reevesii Gray 1931 Chinese pond turtle
Mammalia
 Rodentia - Castoridae
Youngofiber sinensis
 Artiodactyla - Cervidae
Cervidae indet.
Cervidae indet. Gray 1821 deer
 Perissodactyla - Rhinocerotidae
"Plesiaceratherium shanwangensis" = Diaceratherium shanwangensis
"Plesiaceratherium shanwangensis" = Diaceratherium shanwangensis Wang 1965 rhinoceros