Pareja
Basic information
Sample name: Pareja

Reference: R. Daams, M. Freudenthal, J. I. Lacomba, and M. A. Alvarez. 1989. Upper Oligocene micromammals from Pareja, Loranca Basin, prov. of Guadalajara, Spain. Scripta Geologica 89:27-56 [ER 2426]
Geography
Country: Spain

State: Guadalajara

Coordinate: 41° 33' N, 3° 39' W
Latlng basis: based on nearby landmark

Formation: Lower Detrital

Time interval: Late Oligocene

Zone: MP25b

Age basis: zone

Geography comments: "in a road-cut on the western side of the road from Pareja to Alcocer" (coordinate based on Pareja)
"part of the Lower Detrital Formation"
the authors "reject the artificial framework of the MP zones"; MP25b assignment is based on Vianey-Liaud et al. (2014)

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Environment
Substrate: ground surface

Lithology: marl

Habitat comments: "a beige and green marl intercalated between coarse sandstones"

Methods
Life forms: rodents

Sampling methods: screenwash

Sample size: 609 specimens

Net or trap nights: 0

kg screened: 2050

Basal area status: not applicable

Sampling comments: "C. 2050 kg of sediment were processed"
additional taxa are not discussed

Metadata
Sample no: 2654

Contributor no: John Alroy

Enterer: John Alroy

Created: 2017-02-25 12:18:41

Modified: 2023-09-11 10:34:16

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
8 species
0 singleton
total count 609
geometric series index: 8.7
Fisher's α: 1.301
geometric series k: 0.6606
Hurlbert's PIE: 0.8089
Shannon's H: 1.7672
Good's u: 1
Register
Issiodoromys minor 140
†Archaeomys (Archaeomys) gervaisi 64
†Gliravus caracensis 117
new
†Eomys cf. molassicus 56
Heterocricetodon landroveri 164
new
†Eucricetodon margaritae 57
new
†Eucricetodon aff. atavus 9
Eucricetodon sp. 2