Caunelles
Basic information
Sample name: Caunelles
Reference: J.-P. Aguilar. 1974. Les rongeurs du Miocène inférieur en Bas-Languedoc et les corrélations entre échelles stratigraphiques marine et continentale. Geobios 7(4):345-398 [ER 2383]
Geography
Country: France
Coordinate: 43° 37' N, 3° 49' E
Coordinate basis: based on nearby landmark
Time interval: Early Miocene
Zone: MN2a
Ma: 21.5
Geography comments: "situé sur la commune de Juvignac" (Capetta 1970) (coordinate based on Juvignac)
Aquitanian, younger than Paulhiac and older than Laugnac
MN 2a according to Hugueney and Ringeade (1989) and therefore roughly 21.5 Ma
Aquitanian, younger than Paulhiac and older than Laugnac
MN 2a according to Hugueney and Ringeade (1989) and therefore roughly 21.5 Ma
Environment
Substrate: ground surface
Lithology: sandstone
Habitat comments: "Sables marneux jaunãtres devenant de plus en plus calcaires á la partie supérieure" (Capetta 1970)
Methods
Life forms: rodents
Sampling methods: screenwash
Sample size: 169 specimens
Sampling comments: "Le niveau gréseux a fourni par lavage-tamisage et attaque á J'acidé acétique" (Capetta 1970)
additional taxa are not discussed
additional taxa are not discussed
Metadata
Sample number: 2564
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-16 18:00:58
Modified: 2017-02-17 02:55:58
Abundance distribution
16 species
5 singletons
total count 169
extrapolated richness: 30.6
Fisher's α: 4.339
geometric series k: 0.7555
Hurlbert's PIE: 0.7704
Shannon's H: 1.8734
Good's u: 0.9706
Each square represents a species. Square sizes are proportional to counts.
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