Schmiedrued-Pfyffrüti (SP) 642: Middle Miocene, Switzerland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Charales - Feistiellaceae
Nitellopsis (Tectochara) ginsburgi
very abundant; >20 specimens
Actinopteri - Anabantiformes - Channidae
Channa sp. Scopoli 1770
1 specimen
Actinopteri - Cypriniformes - Cyprinidae
Palaeocarassius sp. Obrhelová 1970
very abundant; >20 specimens
Leuciscinae indet. Howes 1991
Reptilia - Anguidae
Anguidae indet. Gray 1825
Reptilia
Serpentes indet. (Linnaeus 1758)
Reptilia - Gekkonidae
Gekkonidae indet. Gray 1825
Reptilia - Lacertidae
Lacertidae indet. Bonaparte 1831
Reptilia - Cordylidae
Bavaricordylus sp. Kosma 2004
Reptilia
Crocodylia indet. (Owen 1842)
Reptilia - Testudoolithidae
Testudoolithidae indet. Hirsch 1996
Mammalia - Rodentia - Cricetidae
Democricetodon gracilis (Fahlbusch 1964)
original and current combination Democricetodon minor gracilis
Megacricetodon bavaricus (Fahlbusch 1964)
Mammalia - Rodentia - Gliridae
Microdyromys sp. de Bruijn 1966
Miodyromys aff. aegercii Baudelot 1972
Mammalia - Lagomorpha - Ochotonidae
Prolagus oeningensis (König 1825)
Mammalia - Lipotyphla
Lipotyphla indet. Haeckel 1866
synonym of Eulipotyphla
Mammalia - Erinaceidae
Galerix sp. Pomel 1848
Mammalia - Soricidae
Soricidae indet. Fischer 1814
Gastropoda - Bithyniidae
Bithynia sp. Leach 1818
very abundant; >20 specimens
Gastropoda - Heterostropha - Lymnaeidae
Stagnicola sp. Jeffreys 1830
very abundant; >20 specimens
Gastropoda - Heterostropha - Planorbidae
Gyraulus sp. Charpentier 1837
very abundant; >20 specimens
Planorbarius sp. Dumeril 1806
very abundant; >20 specimens
Gastropoda - Heterostropha - Limacidae
Limax sp. Linnaeus 1758
Bivalvia - Unionida - Unionidae
Unionidae indet. Rafinesque 1820
see common names

Geography
Country:Switzerland State/province:Aargau County:Schmiedrued
Coordinates: 47.3° North, 8.1° East (view map)
Paleocoordinates:47.5° North, 6.8° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Middle Miocene
Age range of interval:15.98000 - 11.63000 m.y. ago
Age estimate:15.8 to 15.7 Ma (paleomagnetic)
Stratigraphy
Geological group:Upper Freshwater Molasse
Stratigraphy comments: "SP 640 and 642 are c. 15.7–15.8 m.y. old (early Middle Miocene)"
Lithology and environment
Primary lithology:fine,medium sandstone
Secondary lithology:paleosol/pedogenic,gray,green siltstone
Lithology description: The OSM sediments of SP consist of fine to medium-grained sandstones and grey to greenishmottled silts and clayswith pedogenetic overprint.
Environment:fluvial indet. Tectonic setting:foreland basin
Geology comments: Charophytes, freshwater gastropods, remains of Unionidae, pharyngeal teeth of cyprinids and terrestrial vertebrate remains are abundant and moderately to well preserved, but otoliths are almost absent (Table 1). This fossil assemblage indicates a mixed environment in the vicinity of a river (because of the Unionidae) with an open hinterland
(suggested by the heliophilic taxa).
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:Also reported but given no taxonomic name are "seeds and other remains".
Metadata
Database number:201976
Authorizer:T. Cleary Enterer:T. Cleary
Modifier:T. Cleary
Created:2019-06-13 12:28:06 Last modified:2019-06-18 04:17:09
Access level:the public Released:2019-06-13 12:28:06
Creative Commons license:CC BY
Reference information

Primary reference:
69177. J. Jost, D. Kälin, S. Börner, D. Vasilyan, D. Lawver and B. Reichenbacher. 2015. Vertebrate microfossils from the Upper Freshwater Molasse in the Swiss Molasse Basin: Implications for the evolution of the North Alpine Foreland Basin during the Miocene Climate Optimum. Palaeogeography, Palaeoclimatology, Palaeoecology 426:22-33 [T. Cleary/T. Cleary]