-
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.
Significant deposits are
found in
Lantham Shale deposits...
-
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Bristoliinae Genus:
Lochmanolenellus Lieberman, 1998 Species:...
-
Animalia Phylum:
Arthropoda class: †Trilobita Order: †Redlichiida Family: †
Biceratopsidae Subfamily: †Bristoliinae Harrington, 1956
Genera Bristolia Harrington...
-
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Biceratopsinae Genus: Eopeac****a Webster, 2009 Type species...
-
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Biceratopsinae Genus:
Nephrolenellus Palmer & Repina, 1993...
-
Trilobita Order:
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Biceratopsinae Genus:
Emigrantia nomen nudum...
- Atdabanian, and are
contemporary with the Nevadioidea. They are
followed by
Biceratopsidae and Olenellidae. As with most
early trilobites, the
Olenelloidea have...
-
Redlichiida Suborder:
Olenellina Superfamily:
Olenelloidea Family:
Biceratopsidae Subfamily:
Bristoliinae Genus:
Fremontella Harrington, 1956 Species:...
