The Bückeberg Formation is a geologic formation and Lagerstätte[1] in Germany.

It preserves fossils dating back to the Berriasian of the Cretaceous period.

[2] The Bückeberg Formation has previously been considered to constitute the "German Wealden" in reference to its similarity to the Wealden Group in the United Kingdom.

[3] More recently it has been considered a group, containing the Isterberg and Deister Formations.

The plesiosaur Brancasaurus,[4] an indeterminate ankylosaur referred to Hylaeosaurus,[5] the turtle Dorsetochelys are known from the formation.