Tarazona 4
Basic information
Sample name: Tarazona 4
Sample aka: TAR4
Reference: M. A. Alvarez-Sierra, I. García Paredes, and . Pelâez-Campomanes. 2006. Middle Miocene rodents from the Tarazona area (Ebro Basin, Spain). Beitråge zur Palåontologie 30:5-13 [ER 2401]
Geography
Country: Spain
Coordinate: 41° 54' N, 1° 43' W
Coordinate basis: based on nearby landmark
Time interval: Middle Miocene
Zone: MN6
Ma: 13
Geography comments: coordinate based on Tarazona
"zone G1 (MN 6) of Daams et al. (1999)" (i.e., roughly 13 Ma)
"zone G1 (MN 6) of Daams et al. (1999)" (i.e., roughly 13 Ma)
Environment
Substrate: ground surface
Lithology: marl
Habitat comments: "30 m above TAR3. The thickness of the bed is 30 cm. Its lithology consists of grey marls with numerous carbonaceous remains and gastropods"
Methods
Life forms: rodents
Sampling methods: screenwash
Sample size: 48 specimens
Years: 1999, 2000
Sampling comments: "Some 150 kg of sediment from each level were screened"
Metadata
Sample number: 2601
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-18 16:39:32
Modified: 2017-02-18 05:39:32
Abundance distribution
7 species
0 singletons
total count 48
geometric series index: 9.0
Fisher's α: 2.255
geometric series k: 0.6934
Hurlbert's PIE: 0.7801
Shannon's H: 1.7306
Good's u: 1.0000
Each square represents a species. Square sizes are proportional to counts.
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