Mühlbach
Basic information
Sample name: Mühlbach

Reference: G. Daxner-Höck. 2003. Cricetodon meini and other rodents from Mühlbach and Grund, Lower Austria (Middle Miocene, late MN5). Annalen des Naturhistorischen Museums in Wien 104(A):267-291 [ER 2353]
Geography
Country: Austria



Coordinate: 48° 30' N, 15° 49' E
Coordinate basis: based on nearby landmark

Formation: Gaindorf

Time interval: Middle Miocene

Zone: MN5

Max Ma: 15.1

Min Ma: 14.8

Age basis: zone

Geography comments: coordinate based on Hohenwarth-Mühlbach am Manhartsberg
MN5, and 14.8 to 15.1 Ma based on foram biostratigraphy

•
Environment
Substrate: ground surface

Lithology: siltstone

Habitat comments: "Sediments and fossils of these sections display marine conditions. Only few remains of terrestrial vertebrates such as mammals, reptiles, birds and amphibians are transported into these marine environments"
"brownish silt"

Methods
Life forms: rodents

Sites: 2

Sampling methods: screenwash

Sample size: 133 specimens

Years: 1996, 1998, 1999, 2000

Sampling comments: "Numerous rodent remains from Mühlbach were recovered by washing two large samples Mü1 and Mü2, in total about 700 kg sediment... For washing, sieves with mesh sizes of 0.5, 2.0 and 5.0 mm were used"
counts for Mühlbach 1 and 2 are combined in the text
taxa other than rodents are not discussed

Metadata
Sample number: 2523

Contributor: John Alroy

Enterer: John Alroy

Created: 2017-02-14 10:06:50

Modified: 2023-09-08 11:49:44

Abundance distribution
7 species
2 singletons
total count 133
geometric series index: 10.5
Fisher's α: 1.573
geometric series k: 0.5210
Hurlbert's PIE: 0.7335
Shannon's H: 1.4830
Good's u: 0.9850
Each square represents a species. Square sizes are proportional to counts.
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Register
†Spermophilinus besana24
"Spermophilinus besanus"
Prodryomys satus6
†Democricetodon mutilus37
†Democricetodon cf. gracilis1
Eumyarion sp.1
†Megacricetodon minor14
Cricetodon meini50