- in the Late Ordovician. The
Agnostida are
divided into two suborders —
Agnostina and Eodiscina —
which are then
subdivided into a
number of families. As...
- fossils.
Other groups show
secondary lost
facial sutures, such as all
Agnostina and some Phacopina.
Another common feature of the
Olenellina also suggests...
-
primitive suborder of the Agnostida, and the
Agnostina the more advanced. Some
scholars do not
consider the
Agnostina true trilobites, and
consequently rejected...
-
Agnostidae is a
family of
Agnostida trilobites. Like all
Agnostina, they were
eyeless and bore only two
thoracic segments. They
ranged in
benthic waters...
-
Scientific classification Kingdom:
Animalia Phylum:
Arthropoda class:
Trilobita Order:
Agnostida Suborder:
Agnostina Genus:
Phalacroma Hawle & Corda, 1847...
-
Order Scolopendrellida (garden centipedes)
Order Scutigerellida Order †
Agnostina Order †Henningsmoenicarida
Order †Cambropachycopida
Order †Cambrocarida...
-
derived trilobites have lost
facial sutures again (some Eodiscina, all
Agnostina, and a few Phacopina), but all of
these are blind,
while all Olenellina...
- the
Russian Federation (Siberia). They
uniquely differ from all
other Agnostina in
having the
frontal glabellar lobe
wider than the rear lobe. The Condylopygidae...
- (which may also be
called peronopsids)
comprise the
earliest family of the
Agnostina suborder.
Species of this
family occurred on all paleocontinents. The...
-
entirely obliterated as in the
Agnostina suborder.
Tannudiscus has some
other characters it
shares with the
Agnostina, such as a
glabella consisting of...
