Asseiceira
Basic information
Sample name: Asseiceira

Reference: M. Telles Antunes, I. Solié-Märsche, 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: 40° 31' N, 8° 24' W
Latlng 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)

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Environment
Substrate: ground surface

Lithology: claystone

Habitat comments: "Section d'un chenal rempli par des argiles gris foncé ou noirâtres, 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

Net or trap nights: 0

kg screened: 500

Basal area status: not applicable

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

Metadata
Sample no: 2623

Contributor no: John Alroy

Enterer: John Alroy

Created: 2017-02-20 11:21:19

Modified: 2023-09-08 12:36:19

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
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
Register
Lanthanotherium sanmigueli 2
Soricinae indet.1
†Prolagus crusafonti 2
†Hispanomys peralensis 1
†Rotundomys freiriensis 5
Progonomys hispanicus = †Occitanomys hispanicus 3
†Spermophilinus aff. bredai 1
†Heteroxerus cf. huerzeleri 2