Palasava
Basic information
Sample name: Palasava

Reference: V. V. Kapur, M. Pickford, G. Chauhan, and M. G. Thakkar. 2019. A Middle Miocene (~14 Ma) vertebrate assemblage from Palasava, Rapar Taluka, Kutch (Kachchh) District, Gujarat State, western India. Historical Biology 33(5):595-615 [ER 4029]
Geography
Country: India

State: Gujarat


Coordinate: 23° 26' 18" N, 70° 59' 25" E
Coordinate basis: stated in text

Formation: Chhasra

Time interval: Middle Miocene

Zone: MN6

Geography comments: "along a ridge about 6 km east of the village of Palasava... Taluka Rapar, District Kutch"
"Langhian-Serravallian; ~14 ± 2 Ma" and the "assemblage likely correlates to MN6"

Environment
Lithology: siliciclastic (mixed)

Taphonomic context: fluvial deposit

Habitat comments: there are "five ossiferous levels/horizons" that "consist predominantly of grey silts/clays with sand lenses with the top 0.50 m of the succession comprised of gravelly lag and coarse sandstone"
the environment as "a riverine-estuarine system(s)"

Methods
Life forms: ungulates,marine mammals

Sampling methods: quarry,screenwash

Sample size: 22 specimens

Years: 2007, 2013, 2015

Sampling comments: "specimens were recovered as surface collection and by excavating and sieving (both dry and wet screening) tons of sediment" and are now in the Birbal Sahni Institute of Palaeosciences
fishes, turtles, crocodilians, and additional unidentified snake vertebrae are briefly described but not enumerated
"numerous unidentified post-cranial remains quite likely belonging to giraffids and bovids" are also present

Metadata
Sample number: 4445

Contributor: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2024-11-10 12:02:07

Modified: 2024-11-10 12:10:35

Abundance distribution
10 species
4 singletons
total count 22
geometric series index: 28.4
Fisher's α: 7.076
geometric series k: 0.8056
Hurlbert's PIE: 0.8312
Shannon's H: 2.0700
Good's u: 0.8340
Each square represents a species. Square sizes are proportional to counts.
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