Haltang (HY1203 locality)
Basic information
Sample name: Haltang (HY1203 locality)
Sample aka: Hongyazi
Reference: Q. Li, X. Wang, G. Xie, and A. Yin. 2013. Oligocene-Miocene mammalian fossils from Hongyazi Basin and its bearing on tectonics of Danghe Nanshan in northern Tibetan Plateau. PLoS ONE 8(e82816):1-9 [ER 4082]
Geography
Country: China
State: Gansu
Coordinate: 38° 44' N, 95° 45' E
Latlng basis: estimated from map
Time interval: Early Oligocene
Geography comments: "The Hongyazi Basin is at the southern foothills of the Danghe Nanshan"
coordinate estimated from the map in Fig. 2
the stratigraphic unit is apparently unnamed and not the same as the Baiyanghe Formation, contra earlier literature
tentatively assigned to the "early Oligocene"
coordinate estimated from the map in Fig. 2
the stratigraphic unit is apparently unnamed and not the same as the Baiyanghe Formation, contra earlier literature
tentatively assigned to the "early Oligocene"
Environment
Lithology: mudstone
Taphonomic context: paleosol
Habitat comments: a "bright red" mudstone with "abundant carbonate nodules and gypsum crystals embedded in a paleosol"
Methods
Life forms: rodents, other small mammals
Sample size: 33 specimens
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: collecting times and methods are not discussed
Metadata
Sample no: 4509
Contributor no: John Alroy
Enterer: John Alroy
Created: 2024-11-21 08:42:53
Modified: 2024-11-21 08:42:53
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
8 species
3 singletons
total count 33
geometric series index: 16.1
Fisher's α: 3.359
geometric series k: 0.7012
Hurlbert's PIE: 0.7794
Shannon's H: 1.7554
Good's u: 0.9091
Register
| Erinaceinae indet. | 12 | |
| Sciuridae indet. 1 | 1 | |
| Sciuridae indet. 2 | 5 | |
| Sciuridae indet. 3 | 1 | |
| †Karakoromys decessus | 3 | |
| Karakoromys sp. | 1 | |
| Sicistini indet. | 4 | |
| Desmatolagus sp. | 6 | |