Hauptrogenstein Formation

Hauptrogenstein Formation
Hauptrogenstein Formation
Stratigraphic range: Middle Jurassic, Bajocian–Bathonian PreꞒ Ꞓ O S D C P T J K Pg N
	Outcrop at Auenstein Oberegg, Switzerland
Type	Formation
Sub-units	Lower Acuminata beds (subfurcatum/niortense zone); Parkinsoni-Schichten (parkinsoni zone); Obere Acuminata-Schichten;
Underlies	Spatkalk
Overlies	Wildegg Formation
Lithology
Primary	Limestone, Wackestone
Location
Country	Germany; Switzerland

The Hauptrogenstein Formation is a geologic formation in Germany and Switzerland.^[2] It preserves fossils that date back to the Middle Jurassic period (Bajocian-Bathonian).^[3]

Paleofauna

List as per Miedema et al. (2024):^[3]

^ Gonzalez R, Wetzel A. (1996). Stratigraphy and paleogeography of the Hauptrogenstein and Klingnau Formations (middle Bajocian to late Bathonian), northern Switzerland. Eclogae Geol Helv. 1996;89:695–720.
^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 8 July 2014.
^ ^a ^b Miedema, Feiko; Bastiaans, Dylan; Scheyer, Torsten M.; Klug, Christian; Maxwell, Erin E. (2024-03-16). "A large new Middle Jurassic ichthyosaur shows the importance of body size evolution in the origin of the Ophthalmosauria". BMC Ecology and Evolution. 24 (1): 34. doi:10.1186/s12862-024-02208-3. ISSN 2730-7182. PMC 10944604. PMID 38493100.
^ Scheyer, T. M.; Johnson, M. M.; Bastiaans, D.; Miedema, F.; Maxwell, E. E.; Klug, C. (2024). "Oldest record of Machimosaurini (Thalattosuchia, Teleosauroidea): teeth and scavenging traces from the Middle Jurassic (Bajocian) of Switzerland". Royal Society Open Science. 11 (4). 240071. Bibcode:2024RSOS...1140071S. doi:10.1098/rsos.240071. PMC 11004672. PMID 38601027.

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