Somosaguas (micromammals)
Basic information
Sample name: Somosaguas (micromammals)
Reference: M. Hernândez Fernândez, J. A. Cârdaba, J. Cuevas-Gonzâlez, O. Fesharaki, M. J. Salesa, B. Corrales, L. Domingo, J. Elez, P. López Guerrero, N. Sala-Burgos, J. Morales, and N. López MartÃnez. 2006. Los yacimientos de vertebrados del Mioceno medio de Somosaguas (Pozuelo de Alarcón, Madrid): implicaciones paleoambientales y paleoclimâticas. Estudios Geológicos 62(1):263-294 [ER 2402]
Geography
Country: Spain
Coordinate: 40° 26' N, 3° 49' W
Coordinate basis: based on nearby landmark
Time interval: Middle Miocene
Zone: MN5
Ma: 13.9
Geography comments: "en el campus que la Universidad Complutense de Madrid tiene junto a la localidad de Somosaguas, perteneciente al término municipal de Pozuelo de Alarcón" (coordinate based on Pozuelo de Alarcón)
most specimens are from "Somosaguas-Sur, Somosaguas-4 y 5" and not Somosaguas-North
"Mioceno Medio (Aragoniense medio, 14 M.a.; Luis y Hernando, 2000)" (13.9 Ma based on Domingo et al. 2017)
most specimens are from "Somosaguas-Sur, Somosaguas-4 y 5" and not Somosaguas-North
"Mioceno Medio (Aragoniense medio, 14 M.a.; Luis y Hernando, 2000)" (13.9 Ma based on Domingo et al. 2017)
Environment
Substrate: ground surface
Lithology: claystone
Habitat comments: fossils are from units T1 ("arcosas arcillosas") and T3 ("arcosas gruesas"); "sobre todo en el lavado-tamizado de los sedimentos arcillosos del techo del tramo 1" and "Excepcionalmente, también se han obtenido algunos ejemplares de microvertebrados por inspección de visu en las arcosas gruesas del tramo 3 durante la excavación de macrovertebrados" (so most specimens are from claystone)
Methods
Life forms: rodents,other small mammals
Sampling methods: quarry,screenwash
Sample size: 936 specimens
Years: 1998 - 2006
Sampling comments: inconsistently lumped counts are given for ungulates and carnivorans
Metadata
Sample number: 2602
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-18 20:10:36
Modified: 2017-02-18 09:10:36
Abundance distribution
11 species
1 singleton
total count 936
geometric series index: 13.4
Fisher's α: 1.751
geometric series k: 0.5457
Hurlbert's PIE: 0.7211
Shannon's H: 1.5992
Good's u: 0.9989
Each square represents a species. Square sizes are proportional to counts.
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