- Metarthricocephalus, Microryctocara, Neocheiruroides, Opsiosoryctocephalus,
Oryctocara, Oryctocephalina, Oryctocephalites, Oryctocephaloides, Oryctocephalops...
-
Middle Cambrian of
Russia (Toyonian and
lower Amgan, A.
splendens and
Oryctocara Zones,
northwestern and
southeastern Yakutia). In Anabaraspis,
there is...
-
absent or
narrow as a hair. The name of the
genus is
derived from its type
Oryctocara ovata.
Ovata refers to its oval
overall shape, the
Ancient Gr**** ὀρύκτης...
-
Metarthricocephalus Zhao & Yuan, 2001 †
Microryctocara Sundberg & McCollum, 1997 †
Oryctocara Walcott, 1908 †
Oryctocephalina Tomashpolskaya, 1961 † Oryctocephalites...
-
Chancia Ehmaniella Glossopleura Kochina Kootenia Ogygopsis Olenoides Oryctocara Oryctocephalites Oryctocephalus Pagetia Piochaspis Polypleuraspis Ptychoparella...
- Metarthricocephalus, Microryctocara, Neocheiruroides, Opsiosoryctocephalus,
Oryctocara, Oryctocephalina, Oryctocephalites, Oryctocephaloides, Oryctocephalops...
-
kaskaskiensis †Orthotheca †Orthotheca sola †
Oryctocara – type
locality for
genus †
Oryctocara geikei †
Oryctocara geikiei – type
locality for
species †Oryctocare...
-
Ormistonia Ormistoniella Ornamentaspis Orometopus Orphanaspis Orthodorsum Oryctocara Oryctocephalina Oryctocephalites Oryctocephaloides Oryctocephalops Oryctocephalus...
