Stadthagen Formation

Stadthagen Formation
Stadthagen Formation
Stratigraphic range: Valanginian, ; ~132 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Lower Saxony Basin
Sub-units	Platylenticeras involutum ammonite zone; Platylenticeras heteropleurum ammonite zone; Platylenticeras robustum ammonite zone;
Overlies	Bückeberg Formation and Isterberg Formation
Location
Coordinates	52°23′50″N 9°16′06″E / 52.3972°N 9.2683°E
Region	Hanover, Germany
Country	Germany
Extent	Engelbostel and Sachsenhagen clay pits

Sub-units

The Stadthagen Formation is a geological formation located in Hanover, Germany, dating to the Early Cretaceous (Valanginian).^[1] The formation contains fossils of reptiles and fish, suggesting that the formation was once a shallow marine setting.^[2]

Genus	Species	Location	Stratigraphic position	Material	Notes
Actinopterygii^[3]	Indeterminate	Sachsenhagen
Crocodylomorpha^[4]	Indeterminate	Sachsenhagen			Known from remains currently located within private collections.
Enalioetes^[1]	E. schroederi	Engelbostel		Much of the skull as well as parts of the neck.	Previously known as Enaliosuchus "schroederi" and Cricosaurus "schroederi".
Enaliosuchus^[5]	E. macrospondylus			An atlas-axis complex, three post-axial cervical vertebrae, several dorsal vertebrae, a caudal vertebra, an incomplete femur and a fragmentary sacral rib.	Its remains have also been recovered from the Campylotoxus Zone of France.
Gyrodus^[6]	G. sp.	Engelbostel		Nearly complete specimen.
Plesiosauria^[4]	Indeterminate^[4]	Sachsenhagen
Targaryendraco^[2]	T. wiedenrothi	Engelbostel and Sachsenhagen	Platylenticeras robustum and P. heteropleurum ammonite zones	Partial skeleton with lower jaws.	Previously known as Ornithocheirus wiedenrothi.

Paleobiota of the Stadthagen Formation

Stadthagen Formation
Stratigraphic range: Valanginian, ~132 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Lower Saxony Basin
Sub-units	Platylenticeras involutum ammonite zone Platylenticeras heteropleurum ammonite zone Platylenticeras robustum ammonite zone
Overlies	Bückeberg Formation and Isterberg Formation
Location
Coordinates	52°23′50″N 9°16′06″E / 52.3972°N 9.2683°E / 52.3972; 9.2683
Region	Hanover, Germany
Country	Germany
Extent	Engelbostel and Sachsenhagen clay pits