- ****locephaloidea,
Remopleuridoidea and Trinucleioidea), but no suborders.
Asaphids comprise some 20% of
described fossil trilobites.[citation needed] In 2020...
- 2020, an 11th order, Trinucleida, was
proposed to be
elevated out of the
asaphid superfamily Trinucleioidea.
Sometimes the
Nektaspida are
considered trilobites...
-
Isotelus (Gr**** for 'equal extremities') is an
extinct genus of
large asaphid trilobites from the
Middle and Late
Ordovician Period,
fairly common in...
-
Trinucleidae is a
family of
small to
average size
asaphid trilobites that
first occurred at the
start of the
Ordovician and
became extinct at the end...
-
Ampyx is an Ordovician-Silurian
genus of
Asaphid trilobites of the
family Raphiophoridae.
Species of
Ampyx are
characterized by
three extended spines...
-
Ogygiocarella Harrington and Leanza, 1957, is a
genus of
asaphid trilobites that
lived during the
Middle Ordovician Period. The
generic name, Ogygiocarella...
-
Asaphidae is a
family of
asaphid trilobites.
Although the
first genera originate in
Upper Cambrian marine strata, the
family becomes the most
widely distributed...
-
Taklamakania is a
genus of
asaphid trilobites of the
family Raphiophoridae that
lived during the late
Caradoc of
Inner Mongolia, China. Like all raphiophorids...
-
Deanaspis is a
genus of
asaphid trilobites in the
family Trinucleidae in the
Ordovician periods. It is
reported only from
Northern Europe and Iran. It...
-
published in
Oklahoma found that
deposits that
contained Thaleops and the
asaphid trilobite Bumastides contained 4
times as many
trilobite genera, where...