Subpiatra 2/2
Basic information
Sample name: Subpiatra 2/2

Reference: J. Hír and M. Venczel. 2005. New Middle Miocene vertebrate localities from Subpiatra (Bihor District), Romania). Acta Palaeontologica Romaniae 5:211-221 [ER 3961]
Geography
Country: Romania



Coordinate: 47° 0' N, 22° 18' E
Coordinate basis: stated in text

Time interval: Middle Miocene

Zone: MN7/8

Geography comments: "near Subpiatra... on the left slope of the Rece Valley... in the right side of a small ravine... about 25 m west from the locality Subpiatra 2/1R"

Environment
Lithology: claystone

Habitat comments: from "a dark-brownish clay layer of about 15-20 cm thickness overlaid by a 60-70 cm thick yellow clay layer, both of which being extremely rich in planorbids" (the fossils are from the first one)
the fauna suggests "a forested environment"

Methods
Life forms: rodents,lizards,snakes,frogs,salamanders

Sampling methods: quarry,screenwash

Sample size: 73 specimens

Years: 2004

Sampling comments: "about 1 ton of sediments" was processed "by screening-washing... with mesh of 0.8 and 0.6 mm"

Metadata
Sample number: 4371

Contributor: John Alroy

Enterer: John Alroy

Created: 2023-09-08 20:45:24

Modified: 2023-09-11 10:58:24

Abundance distribution
15 species
4 singletons
total count 73
geometric series index: 29.3
Fisher's α: 5.722
geometric series k: 0.7969
Hurlbert's PIE: 0.8312
Shannon's H: 2.1804
Good's u: 0.9467
Each square represents a species. Square sizes are proportional to counts.
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