Barranco de la Tranquila
Basic information
Sample name: Barranco de la Tranquila
Sample aka: BTr
Reference: X. Murelaga, X. P. Suberbiola, F. de Lapparent de Broin, J.-C. Rage, S. Duffaud, H. Astibia, and A. Badiola. 2002. Amphibians and reptiles from the Early Miocene of the Bardenas Reales of Navarre (Ebro Basin, Iberian Peninsula). Geobios 35:347-365 [ER 4300]
Geography
Country: Spain
State: Navarre
Coordinate: 42.1059° N, -1.5473° W
Coordinate basis: estimated from map
Formation: Tudela
Time interval: Early Miocene
Zone: 2b-3
Geography comments: "The region of the Bardenas Reales is located in the southwestern part of Navarre. It is situated in the northwestern area of the Ebro Basin"
Environment
Lithology: siliciclastic (mixed)
Taphonomic context: fluvial deposit
Habitat comments: "composed of alluvial, lacustrine and palustrine deposits"
"clays, sandstones, marls and limestones, with some intercalations of gypsum"
"These evidences suggest that the bulk of water was shallow and sporadic. In other words, the sedimentary environment was probably a wetland"
"clays, sandstones, marls and limestones, with some intercalations of gypsum"
"These evidences suggest that the bulk of water was shallow and sporadic. In other words, the sedimentary environment was probably a wetland"
Methods
Life forms: frogs,salamanders,turtles,snakes,other reptiles
Sample size: 12 specimens
Museum: Government of Navarre
Sampling comments: "The fossils belong to the palaeontological collections of the Government of Navarre; they are provisionally housed in the Laboratory of Palaeontology of the Universidad del País Vasco/EHU (Bilbao)"
Metadata
Sample number: 4660
Contributor: John Alroy
Enterer: Nicholas Vine
Modifier no: Nicholas Vine
Created: 2025-02-14 00:47:20
Modified: 2025-02-14 01:37:40
Abundance distribution
6 species
3 singletons
total count 12
geometric series index: 20.0
Fisher's α: 4.775
geometric series k: 0.7248
Hurlbert's PIE: 0.7273
Shannon's H: 1.5833
Good's u: 0.7770
Each square represents a species. Square sizes are proportional to counts.
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