Asseiceira
Basic information
Sample name: Asseiceira
Reference: M. Telles Antunes, I. Solié-Mårsche, P. Mein, and J. Pais. 1992. Le gisement de Asseiceira, Portugal (Miocène supérieur): Données complémentaires sur Freiria de Rio Maior. Ciências da Terra (UNL) 11:219-253 [ER 2411]
Geography
Country: Portugal
Coordinate: 39° 31' N, 8° 24' W
Coordinate basis: based on nearby landmark
Time interval: Late Miocene
Zone: MN10
Age basis: zone
Geography comments: "tronçon de la route EN 1, Lisbonne - Porto, près Asseiceira (Rio Maior)" (coordinate based on Asseiceira)
Environment
Substrate: ground surface
Lithology: claystone
Habitat comments: "Section d'un chenal rempli par des argiles gris foncé ou noirãtres, ligniteuses, riches en coquilles de gastéropodes généralement brisées" (fossils are from a 0.8 m thick bed shown in Fig. 3, presumably from the clays and not the lignites)
Methods
Life forms: rodents,other small mammals
Sampling methods: screenwash
Sample size: 17 specimens
Years: 1989
Sampling comments: "nombreux gastéropodes et charophytes, rares ostracodes, des pollens, quelques poissons et reptiles" are also present
"un poids total de 500 kg" was screenwashed
"un poids total de 500 kg" was screenwashed
Metadata
Sample number: 2623
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-20 11:21:19
Modified: 2023-09-08 12:36:19
Abundance distribution
8 species
3 singletons
total count 17
geometric series index: 21.6
Fisher's α: 5.898
geometric series k: 0.7946
Hurlbert's PIE: 0.8199
Shannon's H: 1.9213
Good's u: 0.8431
Each square represents a species. Square sizes are proportional to counts.
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