Kavakdere
Basic information
Sample name: Kavakdere

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: 38.18° N, 26.9° E
Latlng basis: based on nearby landmark

Formation: Lignite-Sandstone

Time interval: Early Oligocene

Zone: MP25

Geography comments: "in the west bank of the Kavak valley just south of the small barrage" (coordinate based on Kavakdere Dam)
"about three metres above a kaolinitis­ed volcanic tuff... dated 33.0 ± 3 My" by fission track dating of apatite (date is wildly inconsistent with the mammal biochronology); "late Early Oligocene" and presumably MP25 based on the age of Kocayarma
the entire formation was "deposited during some one to two million years"

•
Environment
Substrate: ground surface

Lithology: claystone

Habitat comments: "40 em thick brownish sandy-clay bed, rich in gastropods"

Methods
Life forms: rodents

Excluded forms: other small mammals

Sample size: 242 specimens

Net or trap nights: 0

kg screened: 1900

Basal area status: not applicable

Sampling comments: "The mesh of the finest sieve used is 0.5 mm...The approximate weight of the matrix washed" was "1900 kg"
"The insectivores which occur associated with the rodents will not be dealt with in this paper"

Metadata
Sample no: 2567

Contributor no: John Alroy

Enterer: John Alroy

Created: 2017-02-17 14:17:11

Modified: 2023-09-08 11:59:29

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
13 species
4 singletons
total count 242
geometric series index: 22.2
Fisher's α: 2.939
geometric series k: 0.7018
Hurlbert's PIE: 0.7924
Shannon's H: 1.8226
Good's u: 0.9835
Register
†Paracricetodon kavakderensis 70
new
Trakymys saratji 28
new
†Pseudocricetodon moguntiacus 34
cf subspecies orientalis
†Pseudocricetodon philippi 1
Kerosinia variabilis 70
Eomys cf. sp. A 9
†Bransatoglis sjeni 9
†Glis aff. guerbuezi 14
†Suevosciurus fraasi 2
Steneofiber sp. 1
†Oligopetes cf. lophulus 1
†Oligopetes aff. obtusus 2
Ctenodactyloidea indet.1