Kocayarma
Basic information
Sample name: Kocayarma
Reference: E. Unay-Bayraktar. 1989. Rodents from the Middle Oligocene of Turkish Thrace. Utrecht Micropaleontological Bulletins, Special Publication 5:1-119 [ER 2386]
Geography
Country: Turkey
Coordinate: 40° 51' N, 26° 38' E
Coordinate basis: based on nearby landmark
Formation: Lignite-Sandstone
Time interval: Early Oligocene
Zone: MP25
Geography comments: "one hundred metres west of the main Kesan-Uzunkopru road and just west of the gravel quarry where the Kocayarma conglomerate is exploited for building purposes" (coordinate based on Kesan)
the entire formation was "deposited during some one to two million years" and "this fauna fits best in MP 25"
the entire formation was "deposited during some one to two million years" and "this fauna fits best in MP 25"
Environment
Substrate: ground surface
Lithology: claystone
Habitat comments: "just below the Kocayarma conglomerate... a ± 30 em thick greenish to dark grey rather indurated clay that is rich in gastropods and leaf remains"
Methods
Life forms: rodents
Sampling methods: screenwash
Sample size: 1395 specimens
Sampling comments: "The mesh of the finest sieve used is 0.5 mm... The approximate weight of the matrix washed" was "2200 kg"
"The insectivores which occur associated with the rodents will not be dealt with in this paper"
"The insectivores which occur associated with the rodents will not be dealt with in this paper"
Metadata
Sample number: 2568
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-17 15:05:09
Modified: 2023-09-08 11:59:51
Abundance distribution
15 species
2 singletons
total count 1395
geometric series index: 19.4
Fisher's α: 2.348
geometric series k: 0.6320
Hurlbert's PIE: 0.6852
Shannon's H: 1.4924
Good's u: 0.9986
Each square represents a species. Square sizes are proportional to counts.
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