- The
Olenelloidea are a
superfamily of trilobites, a
group of
extinct marine arthropods. They
lived during the late
Lower Cambrian and
species occurred...
-
major change in
trilobite fauna;
almost all
Redlichiida (including the
Olenelloidea) and most Late
Cambrian stocks became extinct. A
continuing decrease...
-
Elliptocephala lacks dorsal sutures. Like all
other members of the
Olenelloidea superfamily, the eye-ridges
spring from the back of the
frontal lobe...
- suborder,
Biceratops lacks dorsal sutures. Like all
other members of the
Olenelloidea superfamily, the eye-ridges
spring from the back of the
frontal lobe...
- the
superfamily Fallotaspidoidea Fallotaspis can be
distinguished from
Olenelloidea,
Judomioidea and
Nevadioidea by
features of the
cephalon and in particular...
- all Olenellina. Lieberman, B.S. (1999). "Systematic
Revision of the
Olenelloidea (Trilobita, Cambrian)" (PDF).
Bulletin of the
Peabody Museum of Natural...
-
genal spines and more
radically effaced cephalic features and
ancestral olenelloidea.
Specimens of Eopeac****a
angustispina have been
collected from the Delamar...
-
Cambrian Stage 4
Eager Formation Canada ( British Columbia) A
member of
Olenelloidea belonging to the
family Wanneriidae.
Waukeshaaspis Gen. et sp. nov Valid...
- suborder,
Bristolia lacks dorsal sutures. Like all
other members of the
Olenelloidea superfamily, the eye-ridges
spring from the back of the
frontal lobe...
-
Mesonacis lacks dorsal sutures. Like all
other members of the
superfamily Olenelloidea, the eye-ridges
spring from the back of the
frontal lobe (L4) of the...
