- Order: †Agnostida Salter, 1864
Families Suborder Agnostina Superfamily Agnostoidea Agnostidae Ammagnostidae Clavagnostidae Diplagnostidae Doryagnostidae...
- †Trilobita (?) Order: †Agnostida Suborder: †Agnostina Superfamily: †
Agnostoidea Family: †Agnostidae McCoy, 1849
Synonyms Micragnostidae Howell, 1935...
-
distinguishes this
group from the Eodiscina. A
feature shared with all
Agnostoidea is that the
frontal lobe of the
central raised area of the
cephalon (or...
-
lobes and a
posterior axial lobe
differentiate Condylopygoidea from
Agnostoidea. RUSHTON, A. W. A.; WEIDNER, T. (2007). "The
Middle Cambrian paradoxidid...
-
Geragnostus is a
genus of very
small agnostid trilobites whose fossils are
found Ordovician-aged
marine strata from Eurasia,
North America and Argentina...
- of effacement,
establishing the
relationship of
Phalagnostus to
other Agnostoidea is difficult. The
Treatise lists Phalagnostus as
family unknown. P. bituberculata...
-
distinguishes this
group from the Eodiscina. A
feature shared with all
Agnostoidea is that the
frontal lobe of the
central raised area of the
cephalon (or...
-
Burgess Shale fauna.
Ptychagnostidae is
classified under the
superfamily Agnostoidea of the
suborder Agnostina,
order Agnostida. The
family was
first established...
-
distinguishes this
group from the Eodiscina. Two
features shared with all
Agnostoidea are that the
basal glabellar lobes are
anteriorly expanded, and that...
- agnostids, and it is
undecided whether this
genus should be ****igned to the
Agnostoidea, the Condylopygoidea, or a new
monotypic superfamily. S.
similaris has...
