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]
| Hauptrogenstein Formation | |
|---|---|
| Stratigraphic range: Middle Jurassic, | |
 Outcrop at Auenstein Oberegg, Switzerland | |
| Type | Formation |
| Sub-units |
|
| Underlies | Spatkalk |
| Overlies | Wildegg Formation |
| Lithology | |
| Primary | Limestone, Wackestone |
| Location | |
| Country |  Germany Switzerland |
Paleofauna
editList as per Miedema et al. (2024):[3]
- Argovisaurus martafernandezi
- Bakevelliidae indet.
- Bivalvia indet.
- Ectocochleate cephalopods
- Gervillella
- Goniomya literata
- Homomya
- Lockeia?
- Lytoceras cf. eudesianum
- Machimosaurini indet.[4]
- Megateuthis suevica
- Nautilida indet.
- Parkinsonia (Oraniceras) fretensis
- Pleuromya
- Praeexogyra acuminata
- Procerites sp.
- Teichichnus?
- Terebratula furcilensis
- Terebratula movelierensis
- Thalassinoides
- Trigoniidae indet.
See also
editReferences
edit- ^ 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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