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Werfen Formation
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The Werfen Formation is a geologic formation in the Southern Limestone Alps and Dinaric Alps of Austria, Bosnia and Herzegovina, and Italy. It preserves fossils dating back to the Triassic period.[1]
Key Information
Fossil content
[edit]The formation has provided numerous fossils typical of a shallow lagoon environment, including:
- Eotiaris teseroensis (a crown-group echinoid from Changhsingian aged beds of the Tesero Member)[2]
- Orbicoelia sp. (a brachiopod)[2]
- Teserina nerii (a brachiopod)[2]
Griesbachian aged layers of the formation also preserve an unexpectedly diverse ichnotaxon assemblage, including the ichnogenera Catenichnus, Helminthopsis, Lockeia, Palaeophycus, Planolites, Rhizocorallium, Spongeliomorpha, Taenidium and Thalassinoides.[3]
See also
[edit]References
[edit]- ^ Werfen Formation at Fossilworks.org
- ^ a b c Thompson, Jeffrey R.; Posenato, Renato; Bottjer, David J.; Petsios, Elizabeth (2019). "Echinoids from the Tesero Member (Werfen Formation) of the Dolomites (Italy): implications for extinction and survival of echinoids in the aftermath of the end-Permian mass extinction". PeerJ. 7 e7361. doi:10.7717/peerj.7361. PMC 6718154. PMID 31531267.
- ^ Hofmann, Richard; Goudemand, Nicolas; Wasmer, Martin; Bucher, Hugo; Hautmann, Michael (2011). "New trace fossil evidence for an early recovery signal in the aftermath of the end-Permian mass extinction". Palaeogeography, Palaeoclimatology, Palaeoecology. 310 (3–4): 216–226. Bibcode:2011PPP...310..216H. doi:10.1016/j.palaeo.2011.07.014.
Bibliography
[edit]- Thompson, Jeffrey R.; Posenato, Renato; Bottjer, David J.; Petsios, Elizabeth (2019), "Echinoids from the Tesero Member (Werfen Formation) of the Dolomites (Italy): implications for extinction and survival of echinoids in the aftermath of the end-Permian mass extinction", PeerJ, 7 e7361, doi:10.7717/peerj.7361, PMC 6718154, PMID 31531267
- Foster, William J.; Danise, Silvia; Price, Gregory D.; Twitchett, Richard J. (2017), "Subsequent biotic crises delayed marine recovery following the late Permian mass extinction event in northern Italy", PLOS ONE, 12 (3) e0172321, Bibcode:2017PLoSO..1272321F, doi:10.1371/journal.pone.0172321, PMC 5351997, PMID 28296886 Bibcode:2017PLoSO..1272321F
Further reading
[edit]- E. Farabegoli, M. C. Perri, and R. Posenato. 2007. Environmental and biotic changes across the Permian-Triassic boundary in western Tethys: The Bulla parastratotype, Italy. Global and Planetary Change 55:109-135
- E. Kustatscher, M. Wachtler, and J.H.A. Konijnenburg-van Cittert. 2004. A number of additional and revised taxa from the Ladinian flora of the Dolomites, Northern Italy. Geo.Alp 1:57-69
- R. Posenato. 2009. Survival patterns of macrobenthic marine assemblages during the end-Permian mass extinction in the western Tethys (Dolomites, Italy). Palaeogeography, Palaeoclimatology, Palaeoecology 280:150-167
- A. Bittner. 1890. Brachiopoden der alpinen Trias. Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt 14:1-325