Hùmera
Basic information
Sample name: Hùmera

Reference: J. A. Cárdaba, M. Presumido, O. Fesharaki, A. I. Casado, R. Perales, and M. Muñiz Perez. 2013. New data on the mammalian systematics and biostratigraphy of the middle Miocene from Húmera (Pozuelo de Alarcón, Madrid). Spanish Journal of Palaeontology 28(1):29-42 [ER 2356]
Geography
Country: Spain

Coordinate: 40.43° N, -3.79° W
Latlng basis: based on nearby landmark

Time interval: Middle Miocene

Zone: MN5

Max Ma: 14.06

Min Ma: 13.8

Age basis: paleomag

Geography comments: "at Hùmera... to the East side of the City of Madrid" (coordinate based on Hùmera)
"biozone E (MN5)... Recent magnetostratigraphic dating... locate the biozone E between 13.80 and 14.06 Ma"

•
Environment
Substrate: ground surface

Lithology: claystone

Habitat comments: "silty-clayey units separated by a calcrete level... a palaeoenvironment of... ephemeral ponds"

Methods
Life forms: rodents, other small mammals

Sampling methods: screenwash

Sample size: 180 specimens

Years: 2010, 2011

Net or trap nights: 0

kg screened: 830

Basal area status: not applicable

Sampling comments: "Some 900 kg of sediments from Hùmera were screened, of which 830 kg belong to the last two campaigns"
only the material from 2010 and 2011 is described; 2009 collections are described by Menéndez Gamella et al. (2010)

Metadata
Sample no: 2526

Contributor no: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2017-02-14 13:24:29

Modified: 2024-11-02 23:58:43

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
10 species
1 singleton
total count 180
geometric series index: 14.4
Fisher's α: 2.283
geometric series k: 0.6892
Hurlbert's PIE: 0.7611
Shannon's H: 1.6371
Good's u: 0.9946
Register
Megacricetodon sp. 38
collongensis-gersii
†Democricetodon larteti 57
Armantomys tricristatus 51
†Microdyromys koenigswaldi 4
†Microdyromys aff. monspeliensis 2
†Heteroxerus rubricati 19
†Heteroxerus grivensis 3
Heteroxerus sp. 3
Lagopsis sp. 1
Galerix sp. 2