Shanyanggou (locality 63704), Maoxicun village, southeast of Xi'an, Shaanxi (Eocene to of China)

Also known as Maoxicun Sian

Where: shaanxi, China (34.3° N, 108.9° E: paleocoordinates 35.0° N, 104.8° E)

• coordinate based on nearby landmark

When: upper Member (Bailuyuan Formation), Late/Upper Eocene to Late/Upper Eocene (37.2 - 28.4 Ma)

• There are three members in the Bailuyuan Formation, the upper, middle and lower. Fossils have been found in the upper and lower members, which are some 200m apart. The fauna in the upper member is found in large sandstone concretions predominantly in mudstones interbedded with white coarse-grained sandstones.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, white sandstone

• 1 specimen found in grey-white sandstone, 1 in a sandstone concretion.

Size class: macrofossils

Preservation: concretion

Collected in 1959; reposited in the IVPP

• Specimens found in 1959 and 1963. 1 mandible and 1 'dentition'. 1963 specimen found by the Lantian research team of the Institute of Vertebrate Palaeontology and Palaeoanthropology (IVPP).

Primary reference: M. Chow. 1978. Tertiary mammal faunas of the Lantien Region, Shaanxi Province. Professional papers on Stratigraphy and Paleontology, Geological Publishing House, Peking. 7:98-108 [A. Turner/H. O'Regan/H. O'Regan]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42688: authorized by Alan Turner, entered by Hannah O'Regan on 04.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Perissodactyla - Amynodontidae
"Sianodon sp." = Cadurcodon, "Sianodon bahoensis n. gen. n. sp." = Cadurcodon bahoensis
"Sianodon sp." = Cadurcodon Kretzoi 1942 odd-toed ungulate
"Sianodon bahoensis n. gen. n. sp." = Cadurcodon bahoensis Xu 1965 odd-toed ungulate
IVPP V3015 - holotype