-
Furcalithus is an
extinct genus from a well-known
class of
fossil marine arthropods, the trilobites. It
lived during the
early part of the
Arenig stage...
- Deanaspis, Declivolithus, Decordinaspis, Eirelithus, Famatinolithus,
Furcalithus, Guandacolithus, Gymnostomix, Hanchungolithus, Huenickenolithus, Incaia...
-
Cryptolithus Deanaspis Declivolithus Decordinaspis Eirelithus Famatinolithus Furcalithus Guandacolithus Gymnostomix Hanchungolithus Huenickenolithus Incaia Jianxilithus...
-
Fuchouia (=Parafuchouia; =Pseudofuchouia)
Fuminaspis Fuquania Furacopyge Furcalithus Furia Fuscinipyge Fuyunia Fuzhouwania Gabriceraurus Gabriellus Galahetes...
- [dubious – discuss]
Bvalbardites Circulocrania Endymionia Etheridgaspis Furcalithus Gymnostomix Lacorsalina Leioshumardia Lordshillia Nambeetella Novakella...
