The Löwenstein Formation (Stubensandstein in Baden-Württemberg, Burgsandstein in Bavaria) is a lithostratigraphic formation of the Keuper in Germany. It is underlain by the Mainhardt Formation and overlain by the Trossingen Formation. It dates back to the middle Norian.^[1]

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Quick Facts Type, Unit of ...

Löwenstein Formation
Stratigraphic range: Mid Norian (Alaunian) 215.6–212 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Keuper
Underlies	Trossingen Formation
Overlies	Mainhardt Formation
Thickness	At least 80 m
Lithology
Primary	Sandstone
Other	Marl
Location
Region	Europe
Country	Germany  Switzerland
Extent	Bavaria, Baden-Württemberg

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Theropod tracks and an unnamed herrerasaur genus are known from the Lower Stubensandstein.^[2]

More information Archosaurs of the Stubensandstein, Genus ...

Archosaurs of the Stubensandstein
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Aetosaurus	A. feratus A. crassicauda		Lower
Apatosuchus	A. orbitoangulatus		Lower	"Partial skull"
Dolichosuchus[3] Dubious	D. cristatus[3]		Middle[3]	"Tibia"[4]	Actually indeterminate coelophysoid remains[3]
Efraasia	E. minor		Lower
Halticosaurus[3] Dubious	H. longotarsus[3]		Middle[3]	"Mandibular fragment, vertebrae, humerus, illium, femur, metatarsal."[4]	Later found to be indeterminate coelophysoid remains[3]
Liliensternus	L. liliensterni
Mystriosuchus	M. ?
Nicrosaurus	N. kapffiN. meyeri		Middle
Paratypothorax	P. andressi		Middle
Plateosaurus[5]	P. gracilis[5]		Middle[3] Lower[2]	"[Twenty one] partial skeletons, isolated elements, [three] partial skulls, juvenile to adult."[6]	Yates assigned the type material of Sellosaurus gracilis to Plateosaurus gracilis [7]
Procompsognathus[3]	P. triassicus[3]		Middle[3]	"Partial postcranial skeleton."[8]
Saltoposuchus	S. connectens S. longipes
TanystrosuchusDubious	T. posthomus		Middle	" Neck vertebra"
Teratosaurus[3]	T. suevicus[3]		Middle[3]		Galton and Benton showed that Teratosaurus is actually a rauisuchian.[9][10]

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• List of dinosaur-bearing rock formations
• List of fossiliferous stratigraphic units in Germany
• List of fossiliferous stratigraphic units in Switzerland