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Kössen Formation

Not the best-known of all rock formations but certainly provided a bonus with a beautiful and bizarre early pterosaur.

Location
Germany, Switzerland
Age
Late Triassic

The Kössen Formation is a Late Triassic rock formation in Germany and parts of the Swiss Alps. It is composed mainly of limestone and preserves bones of the primitive pterosaur Caviramus.

Pterosaurs: The Field Guide — book cover

On Kickstarter · August 1

Pterosaurs: The Field Guide

Every known genus, illustrated and documented in one book. We launch on Kickstarter August 1. Leave your email and we’ll send you the link the moment it goes live.