- the
second wave of the End-Marjuman
Biomere Extinction, and its
termination corresponds to the End-Steptoean
Biomere Extinction.
Using trilobite and brachiopod...
- boundary, the
first major trilobite extinction,
known as the
Olenellid Biomere boundary, occurred. In particular,
trilobites of the
families Ollenellidae...
- or
occurrence of
euxinic conditions in
ocean waters; or the
trilobite biomere turnover. From the
Furongian to the
Early Ordovician,
around 495-470 Ma...
-
which coincides with the
Laurentian End-Marjuman
Biomere Extinction (EMBE) and the End-Steptoean
Biomere Extinction (ESBE), respectively. The ****E event...
- boundary, the
first major trilobite extinction,
known as the
Olenellid Biomere boundary, occurred. In particular,
trilobites of the
families Ollenellidae...
- m****
extinctions that
define widespread biostratigraphic units called biomeres.
After each
extinction pulse, the
continental shelf regions were repo****ted...
-
better descriptions. This
allowed him to
introduce the
concept of the
biomere as a
biostratigraphic unit to
solve problems in
using fossils to provide...
- boundary, the
first major trilobite extinction,
known as the
Olenellid Biomere boundary, occurred. In particular,
trilobites of the
families Ollenellidae...
-
significance because it
indicates extinction events like the
biomeres in the Cambrian.
Biomeres are
small extinction events defined by the
migration of a...
-
characterized by the
first major extinction of trilobites,
known as the
Olenellid Biomere boundary. This
event is
linked by a
sudden negative carbonate carbon excursion...
