- 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 453 million...
- the late
Katian, just
before the
Katian-Hirnantian boundary,
likely reflects a
global enlargement of
oxygen minimum zones.
During the late
Katian, thallium...
- of the Caradoc; the
Caradoc ends in the mid-
Katian, and the
Ashgill represents the last half of the
Katian, plus the Hirnantian. The
British ages (subdivisions...
- 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
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...
-
during the
Katian:
three very
short glaciations during the
early Katian, the
Rakvere glaciation during the late
early Katian, a
middle Katian glaciation...
- 1017/S0016756816000844. S2CID 132643646. Karolína Lajblová; Petr
Kraft (2018). "Middle
Katian/lowermost
Hirnantian ostracods from the
Prague Basin (Czech Republic): Diversity...
- graptolites, trilobites, bivalves,
corals and conodonts. 445.2 ± 1.4 *
Katian 453 ± 0.7 *
Sandbian 458.4 ± 0.9 *
Middle Darriwilian 467.3 ± 1.1 * Dapingian...
-
large community on the
Butterfield Overland Mail
stagecoach route. The
Katian Age of the
Ordovician Period of
geological time is
named for Katy Lake,...
- The Mali
cobra (Naja katiensis), also
called the
Katian spitting cobra or West
African brown spitting cobra, is a
species of
spitting cobra found in West...
