Hauptrogenstein Formation

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, 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[1] (subfurcatum/niortense zone) Parkinsoni-Schichten (parkinsoni zone) Obere Acuminata-Schichten
Underlies	Spatkalk
Overlies	Wildegg Formation
Lithology
Primary	Limestone, Wackestone
Location
Country	Germany, Switzerland

Paleofauna

List 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

• List of fossiliferous stratigraphic units in Germany