Imanolen Arrobia
Basic information
Sample name: Imanolen Arrobia

Reference: J. Castaños, P. Castaños, and X. Murelaga. 2017. Imanolen Arrobia: a new Late Pleistocene carnivore den from the north of the Iberian Peninsula (Deba, Spain). Ameghiniana 54(4):370-389 [ER 3085]
Geography
Country: Spain


Coordinate: 43° 17' N, 2° 22' W
Coordinate basis: stated in text

Time interval: Late Pleistocene

Ma: 0.1078

Age basis: other

Geography comments: "in Deba... around 40 km west of Donostia-San Sebastiân and 60 km from Bilbao... UTM coordinates; X: 551545, Y: 4792800"
an amino acid racemization "result of 107,800 yr (LeB 14073) was obtained from the dentine collagen of the lower canine" of a leopard

Environment
Lithology: claystone

Taphonomic context: carnivore accumulation,cave

Habitat comments: a "carnivore den"
"the cave is composed of Urgonian limestones of Aptian-Albian (Lower Cretaceous) origin... The excavated area is small (4 m2 in surface area, 0.9 m deep) and was filled with clay sediment and limestone clasts"

Methods
Life forms: carnivores,ungulates

Sampling methods: quarry

Sample size: 793 specimens

Years: 2010

Metadata
Sample number: 3361

Contributor: John Alroy

Enterer: John Alroy

Created: 2019-08-26 20:21:21

Modified: 2019-08-26 10:21:21

Abundance distribution
13 species
5 singletons
total count 793
geometric series index: 24.2
Fisher's α: 2.209
geometric series k: 0.6038
Hurlbert's PIE: 0.6463
Shannon's H: 1.3502
Good's u: 0.9937
Each square represents a species. Square sizes are proportional to counts.
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