Dongxuanguan beds, Fangshan, Jiangning county, Nanjing (Miocene of China)

Also known as Tunghsuenkuan beds

Where: Jiangsu, China (32.0° N, 118.9° E: paleocoordinates 32.2° N, 117.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Late/Upper Miocene (11.6 - 5.3 Ma)

• The age of Late Miocene is not sure, it is based on the comparison to the better known Tung Gur (Dong Gur) Formation in Inner Mongolia.

•The beds "Dongxuanguan" are also known under "Tunghsuenkuan".

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; unlithified, brown, gray, yellow sandstone and unlithified, gray, sandy claystone

• Bed No 8 is a brown, yellow, gray sandlayer, 3 m. Below that layer is a layer of fine pebbles, above there is a grayish, sandy clay with white calcareous strings.

Size class: macrofossils

Collection methods: bulk,

• The fragmentary lower jaw of Anchitherium aurelianense is stored in the Institute of Vertebrate Palaeontology. It has the no: V822

Primary reference: M. M. Chow and C.-K. Hu. 1956. The occurence of Anchitherium aurelianense at Fangshan, Nanking. Acta Palaeontologica Sinica (=Gushengwu xuebao) 4(4):525-533 [J. Alroy/S. Kuemmell/S. Kuemmell]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 36370: authorized by John Alroy, entered by Susanna K├╝mmell on 27.01.2004, edited by Hannah O'Regan

Creative Commons license: CC BY (attribution)

Taxonomic list

• Not identified are five small premolars and molars of two small cervoid ruminants. They have been found in bed no. 11 of Dongxuanguan beds.
 Rodentia - Cricetidae
Spanocricetodon ningensis n. gen. n. sp.1
Spanocricetodon ningensis n. gen. n. sp.1 Li 1977 mouse
 Lagomorpha - Ochotonidae
Ochotonidae indet.2 Thomas 1897 pika
 Perissodactyla - Equidae
Anchitherium aurelianense Cuvier 1825 anchitheriine horse
 Artiodactyla - Cervidae
Cervidae indet.2 Gray 1821 deer