Los Quiroga
Basic information
Sample name: Los Quiroga

Reference: N. R. Chimento and F. L. Agnolin. 2011. Mamí­feros del Pleistoceno superior de Santiago del Estero (Argentina) y sus afinidades paleobiogeográficas. Papéis Avulsos de Zoologia 51(6):83-100 [ER 3404]
Geography
Country: Argentina

State: Santiago del Estero

Coordinate: -27.65° S, -64.37° W
Latlng basis: estimated from map

Time interval: Late Pleistocene

Ma: 0.0199

Age basis: radiocarbon (uncalibrated)

Geography comments: a C14 date of 19, 900 +/- 120 ybp on the sediments (material not indicated) was reported by Alberdi et al. (2008) (presumed to be uncalibrated because the errors is symmetrically distributed)

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Environment
Lithology: sandstone

Taphonomic context: fluvial deposit

Habitat comments: from an alluvial terrace of the Río Dulce that averages 30 m and consists principally of coarse sands with intercalations of fine sand and loess

Methods
Life forms: ungulates, other large mammals

Sample size: 14 specimens

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: collection methods not discussed

Metadata
Sample no: 3786

Contributor no: John Alroy

Enterer: John Alroy

Created: 2021-06-09 18:57:27

Modified: 2023-04-03 09:02:57

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
7 species
4 singletons
total count 14
geometric series index: 23.5
Fisher's α: 5.571
geometric series k: 0.7937
Hurlbert's PIE: 0.7912
Shannon's H: 1.7721
Good's u: 0.7143
Register
†Holmesina paulacoutoi (pampathere)1
†Panochthus greslebini (glyptodont)1
plus one indeterminate glyptodontid specimen
Scelidotheriinae indet.1
Megatherium sp. 3
†Toxodon gracilis (notoungulate)3
plus two indeterminate Toxodon specimens
†Mixotoxodon larensis (notoungulate)1
†Notiomastodon platensis (gomphothere)4
"Stegomastodon platensis"