Circulocrania
Extinct genus of trilobites
From Wikipedia, the free encyclopedia
Circulocrania is an extinct genus of trilobites in the family Cyclopygidae. The genus lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago.[1]
| Circulocrania Temporal range: | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita |
| Order: | †Asaphida |
| Family: | †Cyclopygidae |
| Genus: | †Circulocrania Fortey & Owens, 1987 |
