Dieupentale
Basic information
Sample name: Dieupentale
Reference: S. Baudelot and P. Olivier. 1978. Les rongeurs (Mammalia, Rodentia) de l'Oligocène terminal de Dieupentale (sud-ouest de la France: Tarn et Garonne). Geobios 11(1):5-19 [ER 2381]
Geography
Country: France
Coordinate: 43° 52' N, 1° 16' E
Coordinate basis: based on nearby landmark
Time interval: Late Oligocene
Zone: MP30
Ma: 23.5
Geography comments: "une trentaine de kilomètres au NNW de Toulouse dans une carrière exploitée pour une briqueterie" (coordinate based on Dieupentale)
"appartenant au niveau de Coderet" (i.e., MP30 or roughly 23.5 Ma)
"appartenant au niveau de Coderet" (i.e., MP30 or roughly 23.5 Ma)
Environment
Substrate: ground surface
Lithology: sandstone
Habitat comments: most or all of the described fossils are from "un niveau gréseaux gris-vert, á petits galets calcaires, de quelques cm á 50 cm d'epaisseur" and about 1.5 m higher "un niveau sableux de 0,30 m á 0,50 m á petits galets calcaires et d'argile rougeãtre"; most of the microfauna is from the latter level
Methods
Life forms: rodents
Sample size: 674 specimens
Sampling comments: insectivores, bats, lagomorphs, carnivores, and ungulates are present but not described
collection methods are unclear
collection methods are unclear
Metadata
Sample number: 2560
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-16 12:51:34
Modified: 2017-02-17 02:55:00
Abundance distribution
17 species
1 singleton
total count 674
geometric series index: 22.3
Fisher's α: 3.169
geometric series k: 0.7172
Hurlbert's PIE: 0.8025
Shannon's H: 1.9066
Good's u: 0.9985
Each square represents a species. Square sizes are proportional to counts.
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