- ornamentation, or both. Many
odontopleurids are so
spinose so as to be
described as
having "spines on (their) spines."
Odontopleurids have 8 to 13
thoracic segments...
-
their environment.
Dicranurus trilobites are
distinguished from
other odontopleurids by the pair of large, curled, horn-like
spines that
emanate from behind...
- strata,
primarily of China.
Damesellids are
closely related to the
odontopleurids of Odontopleuridae, but are not
nearly as spinose, nor
possess spines...
-
Acidaspis is an
extinct genus of
odontopleurid trilobite from the
Ordovician to
Silurian of
North America and Europe.
Although small, it had long spines...
-
Selenopeltis (/sɛliːnoʊpɛltɪs/) is an
extinct genus of
odontopleurid trilobites in the
family Odontopleuridae.
Species in the
genus Selenopeltis can reach...
-
Neodrepanura is an
extinct genus of
damesellid odontopleurid trilobite.
Species of
Neodrepanura are
better known under the
older synonym, Drepanura: the...
-
Orphanaspis is a
poorly known genus of
odontopleurid trilobite in the
family Odontopleuridae. The
genus is
originally based on
poorly preserved material...
- smooth, or are
fringed with
smaller spines. M. mira is
notable among odontopleurids in that the
living animals had
compound eyes set upon tall eyestalks...
-
Dipentaspis is an
extinct genus of
damesellid odontopleurid trilobite. It
lived during the
Cambrian Period,
which lasted from
approximately 539 to 485...
-
Dipyrgotes is an
extinct genus of
damesellid odontopleurid trilobite. It
lived from 501 to 490
million years ago
during the
Dresbachian faunal stage of...