-
Olenellina is a
suborder of the
order Redlichiida of
trilobites that
occurs about halfway during the
Lower Cambrian, at the
start of the
stage called the...
-
remains some discussion, but
among the
earliest are
Fallotaspis (suborder
Olenellina), and
Lemdadella (suborder Redlichiina), both
belonging to this order...
-
roughly equivalent time in Laurentia,
Siberia and West Gondwana. All
Olenellina lack
facial sutures (see below), and this is
thought to
represent the...
- †Xandarellida
Order †Nectaspidida
Order †Helmetiida †
Order †Eodiscina
Order †
Olenellina Order †Asaphida
Order †Aulacopleurida
Order †Corynexochida
Order †Harpetida...
-
thinly calcified, and has crescent-shaped eye ridges. As part of the
Olenellina suborder,
Bristolia lacks dorsal sutures. Like all
other members of the...
- and the
United States. The
position of
Callavia in
relation to
other Olenellina has
shifted repeatedly over time.
Initially it was ****igned to the Holmiinae...
-
extracted rock
contains pieces of
fossil trilobite.
Trilobites from the
order Olenellina are predominant, but 12
species of
trilobite have been
discovered in this...
- crescent-shaped eye ridges, but
these rise
above the exoskeleton. As part of the
Olenellina suborder,
Biceratops lacks dorsal sutures. Like all
other members of the...
-
combination of the
absence of
dorsal sutures in the head
shield like all
Olenellina (which in all
other trilobite suborders ****ist in
moulding by splitting...
- ****igned to the Callaviinae. Lieberman, who made
cladistic analyses of the
Olenellina and the
included superfamilies,
regards Andalusiana an
advanced "Nevadioidea"...
