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

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

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
geometric series index: 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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