Exter Formation

The Exter Formation is the only formation of the Upper Keuper or Rhätsandstein, and is a geologic formation in Germany. It preserves fossils dating back to the Rhaetian of the Triassic period.

Fossil content

The formation has provided fossils of:

Mammals

Thomasia antiqua

Haramiyidae indet.

Therapsids

''Chalepotherium plieningeri''

Reptiles

"Ichthyosaurus" rhaeticusMegalosaurus cloacinusNothosaurus cloacinusPhytosaurus cubicodon?Phytosaurus cylindricodon?Plateosaurus ornatusRhaeticosaurus mertensiTermatosaurus albertiiTermatosaurus crocodilinusPlateosaurus sp.

Plesiosauria indet.

Fish

Ceratodus cloacinusC. heteromorphusC. parvusC. trapezoidesHybodus cloacinusH. sublaevisLissodus minimusNemacanthus moniliferSargodon tomicusAcrodus sp.Asterolepis sp.

''Raja sp.''

Insects

''Triassothemis gartzii''

Flora

''Becklesia franconica''