- The
Tournaisian is in the ICS
geologic timescale the
lowest stage or
oldest age of the Mississippian, the
oldest subsystem of the Carboniferous. The Tournaisian...
-
divided into the
Tournaisian and Viséan stages. The
Silesian was
divided into the Namurian,
Westphalian and
Stephanian stages. The
Tournaisian is the same...
- Visean)
Osagean (top of the
Tournaisian and
bottom of the Visean)
Kinderhookian (the
lower two-thirds of the
Tournaisian) "International Chronostratigraphic...
-
years of the Carboniferous, the
early Mississippian (starting with the
Tournaisian and
moving into the Visean). The gap
forms a
discontinuity between the...
- from the last
common ancestors of
extant tetrapods)
appeared by the
Tournaisian age of the
Early Carboniferous. The
specific aquatic ancestors of the...
-
Famennian (Famenne),
Tournaisian (Tournai),
Visean (Visé),
Dinantian (Dinant), and
Namurian (Namur)".
Except for the
Tournaisian, all
these rocks are...
- the 'Strunian' (latest Famennian), and a
small portion of the
early Tournaisian. It is
named after the
Hangenberg Black Shale, a
distinctive layer of...
-
years ago. It was
preceded by the
Frasnian stage and
followed by the
Tournaisian stage. In the seas, a
novel major group of
ammonoid cephalopods called...
-
Occidens is an
extinct genus of stem
tetrapod from the
Early Carboniferous (
Tournaisian)
Altagoan Formation of
Northern Ireland. It is
known from a
single type...
-
Reesodus is an
extinct genus of hybodontiform. It
lived from the
Tournaisian age of the
Early Carboniferous to the
Wordian age of the Permian, and remains...
