- Silurian.
Asaphida contains six
superfamilies (Anomocaroidea, Asaphoidea,
Cyclopygoidea, ****locephaloidea,
Remopleuridoidea and Trinucleioidea), but no suborders...
-
Eukaryota Kingdom:
Animalia Phylum:
Arthropoda class: †Trilobita Order: †Asaphida Superfamily: †
Cyclopygoidea Family: †Nileidae
Angelin 1854
Genera See text...
- Phylum:
Arthropoda class: †Trilobita Order: †Asaphida Superfamily: †
Cyclopygoidea Family: †Cyclopygidae Raymond, 1925
Subfamilies Cyclopyginae Raymond...
- (2023). "Review of the
Ordovician pelagic trilobite Ellipsotaphrus (
Cyclopygoidea, Ellipsotaphridae) and its allies, with new
discoveries from Girvan...
- to stay
above the sea floor, such as
asaphids in the
superfamilies Cyclopygoidea and Remopleuroidea,
proetids in the
family Telephinidae, and perhaps...
