Jirau Paleontological Site
Basic information
Sample name: Jirau Paleontological Site

Reference: H. I. de Araújo-Júnior, K. O. Porpino, C. L. Ximenes, and L. P. Bergqvist. 2013. Unveiling the taphonomy of elusive natural tank deposits: A study case in the Pleistocene of northeastern Brazil. Palaeogeography, Palaeoclimatology, Palaeoecology 378:52-74 [ER 3074]
Geography
Country: Brazil

State: Ceará

Coordinate: 3° 21' 23" S, 40° 42' 20" W
Latlng basis: stated in text

Time interval: Late Pleistocene

Geography comments: "35 km northwest of Itapipoca City"
age assignment is based on faunal correlation

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Environment
Substrate: ground surface

Lithology: conglomerate

Taphonomic context: lake deposit

Habitat comments: "an intermediary layer (about 1 m thick), characterized by debris flow sedimentation, consisting of conglomerate supported by feldspatic clayey-sandy matrix, with fossils, rounded quartz pebbles and rock fragments from tank walls"

Methods
Life forms: carnivores, ungulates, other large mammals

Sampling methods: quarry

Sample size: 1322 specimens

Years: 2003 - 2008

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: "horns, teeth, and xenarthran osteoderms" were excluded from the counts, so five xenarthrans present in the fauna are not included in the inventory

Metadata
Sample no: 3347

Contributor no: John Alroy

Enterer: John Alroy

Created: 2019-08-25 17:21:09

Modified: 2019-08-25 10:51:07

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
14 species
3 singletons
total count 1322
geometric series index: 20.6
Fisher's α: 2.185
geometric series k: 0.5818
Hurlbert's PIE: 0.2477
Shannon's H: 0.6477
Good's u: 0.9977
Register
†Eremotherium laurillardi (ground sloth)1143
†Catonyx cuvieri (ground sloth)1
Glossotherium sp. 14
†Holmesina paulacoutoi (pampathere)1
†Pampatherium humboldtii (pampathere)7
†Notiomastodon platensis (gomphothere)5
†Toxodon platensis (notoungulate)9
†Xenorhinotherium bahiense 10
†Smilodon populator (saber-toothed cat)10
†Palaeolama major (camel)47
Mazama sp. 5
Tayassu pecari (white-lipped peccary)6729.0 kg
†Equus neogeus (horse)1
"Equus (Amerhippus) neogaeus"
†Hippidion principale (horse)2