Negratín-1
Basic information
Sample name: Negratín-1
Sample aka: NGR-1
Reference: R. Minwer-Barakat, A. García-Alix, J. Agustí, E. Martín Suârez, and M. Freudenthal. 2009. The micromammal fauna from Negratín-1 (Guadix Basin, southern Spain): new evidence of African-Iberian mammal exchanges during the late Miocene. Journal of Paleontology 83(6):854-879 [ER 2416]
Geography
Country: Spain
State: Granada
Coordinate: 37° 36' N, 2° 46' W
Coordinate basis: based on nearby landmark
Time interval: Late Miocene
Zone: MN13
Max Ma: 5.96
Min Ma: 5.3
Age basis: other
Geography comments: "4 km south of Cuevas del Campo, close to the road connecting this village with the Negratín Dam" (coordinate based on Cuevas del Campo)
"late Turolian (MN13)" and more specifically "latest Miocene, between 5.96 and 5.3 Ma" (meaning late MN13)
"late Turolian (MN13)" and more specifically "latest Miocene, between 5.96 and 5.3 Ma" (meaning late MN13)
Environment
Substrate: ground surface
Lithology: siltstone
Habitat comments: "a 50 cm thick level of black lutites with abundant organic matter, gastropods and root traces" (presumed to be a silt, possibly a clay, but probably not because the authors describe "laminated clays" higher in the section that are certainly not the same)
Methods
Life forms: rodents,other small mammals
Sample size: 121 specimens
Sampling comments: other taxa and collecting methods not discussed
Metadata
Sample number: 2630
Contributor: John Alroy
Enterer: John Alroy
Modifier no: John Alroy
Created: 2017-02-21 13:03:30
Modified: 2024-11-03 00:17:08
Abundance distribution
12 species
0 singletons
total count 121
geometric series index: 14.8
Fisher's α: 3.309
geometric series k: 0.7867
Hurlbert's PIE: 0.8717
Shannon's H: 2.2327
Good's u: 1.0000
Each square represents a species. Square sizes are proportional to counts.
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