-
Olenellidae is an
extinct family of
redlichiid trilobite arthropods.
Olenellids lived during the late
Lower Cambrian (Botomian/Toyonian) in the Olenellus-zone...
- glabella.
Olenellus also
shares the
typical character of
whole family Olenellidae that the
frontal (L3) and
middle pair (L2) of
lateral lobes of the glabella...
-
volvation is a
little over 510
million years old and has been
found in
Olenellidae, but
these forms didn't have any of the
interlocking mechanisms found...
-
Wanneria is an
extinct genus from a well-known
class of
fossil marine arthropods, the trilobites. It
lived during the
later part of the
Botomian stage...
-
differences in
early Paleozoic benthic trilobites of
Laurentia (such as
Olenellidae, the so-called "Pacific fauna"), as
found in
Scotland and
western Newfoundland...
- 4
Eager Formation Canada ( British Columbia) A
member of the
family Olenellidae.
Perunaspis angulatospina Sp. nov
Valid Alberti Devonian Rupbach Shale...
-
Biomere boundary, occurred. In particular,
trilobites of the
families Olenellidae and
Redlichiidae have been
extinct in
Laurentia and
South China, respectively...
-
contemporary with the Nevadioidea. They are
followed by
Biceratopsidae and
Olenellidae. As with most
early trilobites, the
Olenelloidea have an
almost flat...
- have
changed regularly over the past half
century or so. Initially, the
Olenellidae,
which also encomp****ed the
subfamily Fallotaspidinae, was
regarded the...
- glabella.
Mesonacis also
shares the
typical character of
whole family Olenellidae in that the
frontal (L3) and
middle pair (L2) of
lateral lobes of the...
