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 paleobiogeogrâficas. Papéis Avulsos de Zoologia 51(6):83-100 [ER 3404]
Geography
Country: Argentina
State: Santiago del Estero
Coordinate: -27.65° S, -64.37° W
Coordinate 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)
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
Sampling comments: collection methods not discussed
Metadata
Sample number: 3786
Contributor: John Alroy
Enterer: John Alroy
Created: 2021-06-09 18:57:27
Modified: 2023-04-03 09:02:57
Abundance distribution
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
Each square represents a species. Square sizes are proportional to counts.
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Register
| †Holmesina paulacoutoi | 1 | |
| †Panochthus greslebini | 1 | |
| plus one indeterminate glyptodontid specimen | ||
| Scelidotheriinae indet. | 1 | |
| Megatherium sp. | 3 | |
| †Toxodon gracilis | 3 | |
| plus two indeterminate Toxodon specimens | ||
| †Mixotoxodon larensis | 1 | |
| †Notiomastodon platensis | 4 | |
| "Stegomastodon platensis" | ||