- The
Olenelloidea are a
superfamily of trilobites, a
group of
extinct marine arthropods. They
lived during the late
Lower Cambrian and
species occurred...
-
Olenellidae is an
extinct family of
redlichiid trilobite arthropods.
Olenellids lived during the late
Lower Cambrian (Botomian/Toyonian) in the so-called...
-
Series 2, all the
stages of the
Miaolingian are
defined by GSSPs. The
olenellids, eodiscids, and most
redlichiids trilobites went
extinct at the boundary...
- distributed:
olenellids, redlichiids, and paradoxidids. At the
Stage 4-Wuliuan boundary, the
first major trilobite extinction,
known as the
Olenellid Biomere...
-
thick contains lowest olenellids in section; top unit of
dolomite and
quartzite 400 feet (120 m) thick. A few
scattered olenellid trilobites and archaeocyathids...
- 2–Miaolingian boundary, the
first major trilobite extinction,
known as the
Olenellid Biomere boundary, occurred. In particular,
trilobites of the families...
- 2–Miaolingian boundary, the
first major trilobite extinction,
known as the
Olenellid Biomere boundary, occurred. In particular,
trilobites of the families...
-
Professional Papers, 1309: 1–33 Fritz, W.H. (1992), "Walcott's
Lower Cambrian olenellid trilobite collection 61K,
Mount Robson area,
Canadian Rocky Mountains"...
-
characterized by the
first major extinction of trilobites,
known as the
Olenellid Biomere boundary. This
event is
linked by a
sudden negative carbonate...
- to the
ending of rifting. The
upper formation comprises Early Cambrian olenellid trilobites which indicates the
region was a
normal marine environment...
