Definition of Katian. Meaning of Katian. Synonyms of Katian

- The Katian is the second stage of the Upper Ordovician. It is preceded by the Sandbian and succeeded by the Hirnantian Stage. The Katian began 452.8 million...
- covers the Sandbian and the first half of the Katian. The Ashgill represents the second half of the Katian, plus the Hirnantian. The Ashgill Epoch, the...
- and Europe throughout the Ordovician, though most species occur in the Katian stage of the Late Ordovician. Reports of Cameroceras fossils from the Wenlock...
- the late Katian, just before the Katian-Hirnantian boundary, likely reflects a global enlargement of oxygen minimum zones. During the late Katian, thallium...
- during the Katian: three very short glaciations during the early Katian, the Rakvere glaciation during the late early Katian, a middle Katian glaciation...
- The Cottian Alps (/ˈkɒtiən ˈælps/; French: Alpes Cottiennes [alp kɔtjɛn]; Italian: Alpi Cozie [ˈalpi ˈkɔttsje]) are a mountain range in the southwestern...
- the Upper Ordovician. It follows the Darriwilian and is succeeded by the Katian. Its lower boundary is defined as the first appearance datum of the graptolite...
- Kröger, B. (2025). "The Lyckholm acme of cephalopods – Review of the late Katian (Vormsi–Pirgu regional stages) Ordovician cephalopods of Estonia". European...
- large community on the Butterfield Overland Mail stagecoach route. The Katian Age of the Ordovician Period of geological time is named for Katy Lake,...
- extinct genus of marrellomorph arthropod known from the Late Ordovician (Katian) Kirkfield Formation of Ontario, Canada. It is a member of Marrellida, and...