- The
Frasnian is one of two
faunal stages in the Late
Devonian Period. It
lasted from 382.7
million years ago to 372.2
million years ago. It was preceded...
- also
known as the
Frasnian-Famennian extinction,
which occurred around 372
million years ago, at the
boundary between the
Frasnian stage and the Famennian...
- but
rather is a
series of
pulsed extinctions at the Givetian-
Frasnian boundary, the
Frasnian-Famennian boundary, and the Devonian-Carboniferous boundary...
- (24–28 in) in length. D. terrelli's
fossil remains are
found in
Upper Frasnian to
Upper Famennian Late
Devonian strata of the
United States (Huron, Chagrin...
-
occurred within the
Frasnian age of the
Devonian at
about 377-378 Ma, a
moment in time that was
about 5.9 Ma
prior to the
Frasnian/Famennian extinction...
- had some
recent detractors.
Fossils of the
group go back to the
Middle Frasnian stage of the Late
Devonian period. [citation needed]
These organisms have...
-
Globoharpes is a
genus of
harpetid trilobite known from the late
Frasnian of
Western Australia. G.
tiecherti G.
freindi McNamara, Kenneth; Feist, Raimund;...
- tetrapods. All
known forms of
Frasnian tetrapods became extinct in the Late
Devonian extinction, also
known as the end-
Frasnian extinction. This
marked the...
-
extinction was the Kellw****er
Event (
Frasnian-Famennian, or F-F, 372 Ma), an
extinction event at the end of the
Frasnian,
about midway through the Late Devonian...
- van Viersen;
Willy Vanherle (2018). "The rise and fall of Late
Devonian (
Frasnian)
trilobites from Belgium: taxonomy,
biostratigraphy and events". Geologica...
