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, 39° 42' 20" W
Basis of coordinate: stated in text
Geography comments: "35 km northwest of Itapipoca City"
age assignment is based on faunal correlation
Climate and habitat
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
Years: 2003 - 2008
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: 3347
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-08-25 17:21:09
Modified: 2019-08-25 20:51:07
Abundance distribution
14 species
3 singletons
total count 1322
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
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