Pentagnostus
| Pentagnostus Temporal range:
| |
|---|---|
| Pentagnostus brighamensis, 6mm, Spence Formation | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita (?) |
| Order: | †Agnostida |
| Family: | †Peronopsidae |
| Genus: | †Pentagnostus Lermontova, 1940 |
| Subgenera | |
and see text for species | |
Pentagnostus is a genus of small, blind, agnostid trilobites restricted to the Middle Cambrian. Its remains have been found in Siberia, Australia, North America, Scandinavia, and Kazakhstan.