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
Two point localities: WallA, WallE
Not all specimens assigned to one or the other
Environment
Lithology: siliciclastic (mixed)
Taphonomic context: fluvial 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
"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: Nicholas Vine
Created: 2024-10-28 23:46:32
Modified: 2024-10-29 00:24:45
Abundance distribution
10 species
1 singleton
total count 71
extrapolated richness: 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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Register
| Andegameryx andegaviensis | 3 | |
| Friburgomeryx wallenriedensis | 7 | |
| Cainotherium cf. gracile | 3 | |
| Titanomys sp. | 3 | |
| WallA: 2, WallE: 1 | ||
| Prolagus aff. praevasconiensis | 25 | |
| WallA: 24, WallE: 1 | ||
| Lagopsis aff. spiracensis | 5 | |
| Ophisaurus sp. | 1 | |
| Diplocynodon sp. | 19 | |
| Colubridae indet. | 3 | |
| Testudinidae indet. | 2 | |