- Carboniferous) is, on the ICS
geologic timescale, the
younger of two
subperiods of the
Carboniferous Period (or the
upper of two
subsystems of the Carboniferous...
- Carboniferous, is a
subperiod in the
geologic timescale or a
subsystem of the
geologic record. It is the
earlier of two
subperiods of the Carboniferous...
-
subperiods, the
return or the
holding period return over the
overall period can be
calculated by
combining the
returns within each of the
subperiods....
-
mammals and
their extinct relatives,
originated during the
Pennsylvanian subperiod (~323 million to ~300 million
years ago), when they
split from the reptile...
-
margin existed until Laurasia and
Gondwana collided in the
Pennsylvanian subperiod to form Pangea.
Pangea began to
break up in the Tri****ic, but seafloor...
- 330
million years ago
during the
Carboniferous Period,
Mississippian Subperiod Chronology Etymology Name
formality Formal Nickname(s) Age of Amphibians...
-
times during the
Carboniferous Period (Mississippian and
Pennsylvanian Subperiods),
yielding a
variety of rock
strata that
dominate the
bedrock today. The...
- The
following outline is
provided as an
overview of and
topical guide to the
Ottoman Empire:
Ottoman Empire –
historical Muslim empire that
lasted from...
- ended, and
which were its key sub-periods. For example, the Old West
subperiod is
sometimes used by
historians regarding the time from the end of the...
- periods, with the
current being the
Quaternary period. As an exception, two
subperiods are used for the
Carboniferous Period. An
epoch is the
second smallest...
