-
Bettonolithus is a
genus of
trilobites of the
Order Asaphida. It is in the
family Trinucleidae.
Fossil specimens have been
found in the
Lower Ordovician...
- Trinucleidae: Anebolithus, Australomyttonia, Bancroftolithus, Bergamia,
Bettonolithus, Botrioides, Broeggerolithus, Costonia, Cryptolithoides, Cryptolithus...
- far
identified at this
location are the
trilobites Meadowtownella,
Bettonolithus,
Protolloydolithus and
Anebolithus together with Conulariida, Iocrinus...
-
cosmopolitan after.
Anebolithus Australomyttonia Bancroftolithus Bergamia Bettonolithus Botrioides Broeggerolithus Costonia Cryptolithoides Cryptolithus Deanaspis...
-
Bergeronites (=Spinopanura)
Berkeia Berkutaspis Bessazoon Bestjubella Bettonolithus Bevanopsis Biaverta Bicella Biceratops Biciragnostus Bidjinella Bienella...
