- 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...
- †Trilobita (?) Order: †Agnostida Suborder: †Agnostina Superfamily: †
Agnostoidea Family: †Peronopsidae Westergård, 1936
Genera Acadagnostus Archaeagnostus...
-
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...
-
Geragnostus is a
genus of very
small agnostid trilobites whose fossils are
found Ordovician-aged
marine strata from Eurasia,
North America and Argentina...
-
Ptychagnostus atavus is a
species of
agnostid trilobite. It was
originally described by
Swedish paleontologist Sven Axel
Tullberg as
Agnostus atavus in...
-
distinguishes this
group from the Eodiscina. Two
features shared with all
Agnostoidea are that the
basal glabellar lobes are
anteriorly expanded, and that...
-
Arthropoda class:
Trilobita Order:
Agnostida Suborder:
Agnostina Superfamily:
Agnostoidea Family:
Peronopsidae Genus:
Diplorrhina Hawle & Corda, 1847
species D...
- †Trilobita (?) Order: †Agnostida Suborder: †Agnostina Superfamily: †
Agnostoidea Family: †Ammagnostidae Opik, 1967
Genera Ammagnostus Öpik, 1967 Hadragnostus...
-
Burgess Shale fauna.
Ptychagnostidae is
classified under the
superfamily Agnostoidea of the
suborder Agnostina,
order Agnostida. The
family was
first established...
