Wallenried
Basic information
Sample name: Wallenried

Sample aka: WallA, WallE

Reference: B. Mennecart, B. Yerly, P.-O. Mojon, C. Angelone, O. Maridet, M. Böhme, and C. Pirkenseer. 2015. A new Late Agenian (MN2a, Early Miocene) fossil assemblage from Wallenried (Molasse Basin, Canton Fribourg, Switzerland). Paläontologische Zeitschrift 90:101-123 [ER 3996]
Geography
Country: Switzerland



Coordinate: 46.88164° N, 7.10652° E
Coordinate basis: stated in text

Formation: Molasse grise de Lausanne

Time interval: Early Miocene

Zone: MN2

Geography comments: "The sand and marl pit... near the village Wallenried is located 10 km north of Fribourg, Switzerland (Fig. 1). The outcropping sediments form part of the ‘‘Molasse grise de Lausanne’’ Formation [Lower Freshwater Molasse (USM)] within the ‘‘Plateau Molasse’’ (Becker et al. 2001; Becker 2003) and are attributed to the Agenian European land mammal age"
Two point localities: WallA, WallE
Not all specimens assigned to one or the other

Environment
Lithology: siliciclastic (mixed)

Taphonomic context: fluvial deposit,overbank deposit

Habitat comments: "The richest fossil localities comprise the base of a channel fill (‘‘channel’’; Fig. 2) and fine-grained floodplain marls (e.g., WallA, WallE, W I.2, W III.1"

Methods
Life forms: ungulates,other small mammals,other reptiles,turtles,snakes,lizards

Sampling methods: screenwash

Sample size: 71 specimens

Sampling comments: ostrocods also described but not enetered
"Approximately 1 ton of sediment was screen-washed down to 500-lm mesh size"
Counts provided for Viperidae, Salamandridae, anurans, Gobioninae, Tincinae, pharyngeal teeth ressembling Tarsichthys macrurus

Metadata
Sample number: 4412

Contributor: John Alroy

Enterer: Nicholas Vine

Modifier no: John Alroy

Created: 2024-10-28 23:46:32

Modified: 2024-11-15 11:40:07

Abundance distribution
10 species
1 singleton
total count 71
geometric series index: 14.9
Fisher's α: 3.173
geometric series k: 0.6993
Hurlbert's PIE: 0.7785
Shannon's H: 1.8309
Good's u: 0.9863
Each square represents a species. Square sizes are proportional to counts.
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