El Breal de Orocual (ORS20)
Basic information
Sample name: El Breal de Orocual (ORS20)
Reference: A. Solórzano, A. D. Rincón, and H. G. McDonald. 2015. A new mammal assemblage from the Late Pleistocene El Breal de Orocual, northeast of Venezuela. Natural History Museum of Los Angeles County Science Series 42:125-150 [ER 3781]
Geography
Country: Venezuela
State: Monagas
Coordinate: 9.85° N, -63.39° W
Latlng basis: estimated from map
Time interval: Late Pleistocene
Geography comments: "20 km northeast of the city of Maturín" (apparently near Chaguaramal)
there are no geochronological dates, so the age assignment is based on the mammals
there are no geochronological dates, so the age assignment is based on the mammals
Environment
Lithology: tar
Taphonomic context: tar pit
Habitat comments: "highly asphalt impregnated sedimentary material"
Methods
Life forms: carnivores, rodents, ungulates, other large mammals, other small mammals
Excluded forms: birds, turtles, other reptiles, frogs, beetles
Sample size: 230 specimens
Years: 2011
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: there is "a diverse fauna composed of mammals, birds, amphibians, turtles, crocodiles, and coleopterans. Wood and seeds are also present" but only mammals are described
Metadata
Sample no: 4096
Contributor no: John Alroy
Enterer: John Alroy
Created: 2023-02-23 16:04:59
Modified: 2023-02-23 05:04:59
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
21 species
12 singletons
total count 230
geometric series index: 62.3
Fisher's α: 5.622
geometric series k: 0.7843
Hurlbert's PIE: 0.6408
Shannon's H: 1.5698
Good's u: 0.9479
Register
| †Eremotherium cf. laurillardi (ground sloth) | 3 | |
| Megalonychidae indet. | 4 | |
| Mylodontidae indet. | 1 | |
| †Glyptodon clavipes (glyptodont) | 129 | |
| †Pachyarmatherium leiseyi (cingulate) | 38 | |
| †Holmesina occidentalis (pampathere) | 26 | |
| †Pampatherium humboldtii (pampathere) | 10 | |
| †Propraopus sulcatus (armadillo) | 3 | |
| Didelphis sp. | 1 | |
| Palaeolama sp. | 1 | |
| Platygonus sp. | 3 | |
| Equus (Amerhippus) sp. | 1 | |
| Tapirus sp. | 1 | |
| compared to | ||
| Sigmodon sp. | 2 | |
| Zygodontomys brevicauda | 1 | 57.4 g |
| Hydrochoeridae indet. | 1 | |
| †Smilodon populator (saber-toothed cat) | 1 | |
| Panthera cf. onca (jaguar) | 1 | |
| Protocyon sp. | 1 | |
| compared to | ||
| †Mixotoxodon larensis (notoungulate) | 1 | |
| Gomphotheriidae indet. | 1 | |