Danghe River (IVPP Loc. DH 200103)
Basic information
Sample name: Danghe River (IVPP Loc. DH 200103)
Reference: B.-Y. Wang and Z.-D. Qiu. 2004. Discovery of early Oligocene mammalian fossils from Danghe area, Gansu, China. Vertebrata PalAsiatica 42(2):130-143 [ER 4070]
Geography
Country: China
State: Gansu
Coordinate: 39.28° N, 94.88° E
Coordinate basis: estimated from map
Formation: Paoniuquan
Time interval: Early Oligocene
Geography comments: said to be in the Tiejianggou valley of the Danghe River, Aksay Kazakh Autonomous County, Gansu Province
the Danghe River appears not to extend southward all the way to the northern border of this county: the coordinate represents a valley immediately north of the border and south of the river
the fossils are from the lower part of the Paoniuquan Formation
the Danghe River appears not to extend southward all the way to the northern border of this county: the coordinate represents a valley immediately north of the border and south of the river
the fossils are from the lower part of the Paoniuquan Formation
Environment
Lithology: not described
Habitat comments: the lithology is apparently not discussed
Methods
Life forms: rodents,other small mammals
Sample size: 4 specimens
Years: 1999, 2001
Museum: IVPP
Sampling comments: collecting methods are not described
Metadata
Sample number: 4493
Contributor: John Alroy
Enterer: John Alroy
Created: 2024-11-17 10:18:17
Modified: 2024-11-17 10:18:17
Abundance distribution
3 species
2 singletons
total count 4
geometric series index: 18.0
Fisher's α: 5.453
geometric series k: 0.7071
Hurlbert's PIE: 0.5000
Shannon's H: 1.0397
Good's u: 0.6250
Each square represents a species. Square sizes are proportional to counts.
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Register
| †Coelodontomys asiaticus | 1 | |
| †Desmatolagus gobiensis | 1 | |
| plus one specimen from the "middle part of the Tiejianggou" | ||
| †Desmatolagus pusillus | 2 | |