-
Biceratopsidae is an
extinct family of
redlichiid trilobites, with
species of
small to
average size.
Species of
belonging to this
family lived during the...
- States.
Biceratops can
easily be
distinguished from
other members of
Biceratopsidae by the
absence of
genal spines, in
combination with
effaced features...
-
followed by Archaeaspididae,
Nevadioidea and Holmiidae, and
finally Biceratopsidae and Olenellidae. The
Olenellina are not
known from
South China, Australia...
- Atdabanian, and are
contemporary with the Nevadioidea. They are
followed by
Biceratopsidae and Olenellidae. As with most
early trilobites, the
Olenelloidea have...
- is an
extinct subfamily of
redlichiid trilobites within the
family Biceratopsidae, with
species of
small to
average size.
Species belonging to this subfamily...
-
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Biceratopsinae Genus:
Olenelloides (Peach, 1894) Species:...
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Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Bristoliinae Genus:
Lochmanolenellus Lieberman, 1998 Species:...
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Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Biceratopsinae Genus: Eopeac****a Webster, 2009 Type species...
-
pleural spines on the 3rd
thoracal segment with the rest of the
family Biceratopsidae (except for Bolbolenellus). Peac****a is
unique in
having short, wide...
-
Trilobita Order:
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Biceratopsinae Genus:
Emigrantia nomen nudum...
