Dingshanyanchi (XJ 200617)
Basic information
Sample name: Dingshanyanchi (XJ 200617)
Reference: W.-Y. Wu, J. Meng, J. Ye, X.-J. Ni, S.-D. Bi, and Y.-P. Wei. 2009. The Miocene mammals from the Dinshanyanchi Formation of north Junggar Basin, Xinjiang. Vertebrata PalAsiatica 47(3):208-233 [ER 4067]
Geography
Country: China
State: Xinjiang
Coordinate: 46° 24' 29" N, 87° 30' 49" E
Latlng basis: stated in text
Scale: quarry
Formation: Dingshanyanchi
Time interval: Middle Miocene
Zone: MN6
Section: Dingshanyanchi
Unit number: 1
Unit order: below to above
Geography comments: "in the southern area of the Ulungur River, northern Junggur Basin, Xinjiang"
"2.3 m above the base of the formation"
exact coordinate 46º 24.479' N, 87º 29.818' W
"middle Tunggurian" or "middle Middle Miocene" (roughly 14 Ma or MN5/6)
Tao 2007 places the Tunggurian in the range of MN6 to MN8, so an age of MN6 seems clear
"2.3 m above the base of the formation"
exact coordinate 46º 24.479' N, 87º 29.818' W
"middle Tunggurian" or "middle Middle Miocene" (roughly 14 Ma or MN5/6)
Tao 2007 places the Tunggurian in the range of MN6 to MN8, so an age of MN6 seems clear
Environment
Lithology: sandstone
Habitat comments: "The Dingshanyanchi Formation is a set of reddish silts" but the locality is "within a sandstone lens at the base" of the formation
Methods
Life forms: bats, carnivores, rodents, other small mammals
Sampling methods: quarry, screenwash
Sample size: 70 individuals
Years: 2006
Museum: IVPP
Net or trap nights: 0
kg screened: 1250
Basal area status: not applicable
Sampling comments: "mammals were discovered" in 2006
1.25 "tons of matrix were collected and screenwashed"
1.25 "tons of matrix were collected and screenwashed"
Metadata
Sample no: 4489
Contributor no: John Alroy
Enterer: John Alroy
Created: 2024-11-17 02:24:35
Modified: 2024-11-17 02:24:35
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
21 species
10 singletons
total count 70
geometric series index: 55.0
Fisher's α: 10.172
geometric series k: 0.8609
Hurlbert's PIE: 0.877
Shannon's H: 2.558
Good's u: 0.858
Register
| Soricidae indet. large | 1 | |
| Myotis sp. | 1 | |
| †Alloptox gobiensis | 20 | |
| Desmatolagus sp. | 4 | |
| Sciuridae indet. | 2 | |
| †Protalactaga major | 6 | |
| †Protalactaga grabaui | 4 | |
| †Heterosminthus orientalis | 4 | |
| †Keramidomys fahlbuschi | 1 | |
| Miodyromys sp. | 3 | |
| Sayimys sp. | 1 | |
| †Democricetodon lindsayi | 5 | |
| †Democricetodon tongi | 3 | |
| †Megacricetodon sinensis | 7 | |
| †Megacricetodon pusillus | 1 | |
| †Paracricetulus schaubi | 1 | |
| †Cricetodon volkeri | 1 | |
| †Plesiodipus leei | 1 | |
| Myocricetodontinae indet. | 2 | |
| Rodentia indet. | 1 | |
| distinct taxon | ||
| †Hemicyon cf. stehlini (bear) | 1 | |