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]
Country: Spain

Coordinate: 43° 17' N, 2° 22' W
Basis of coordinate: stated in text
Geography comments: "in Deba... around 40 km west of Donostia-San Sebastián 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
Climate and habitat
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"
Life forms: carnivores, ungulates
Sampling methods: quarry
Sample size: 793
Years: 2010
Sample: 3361
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-08-26 20:21:21
Modified: 2019-08-26 20:21:21
Abundance distribution
13 species
5 singletons
total count 793
standardised richness: 4.4
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