This is a large trilobite of the species Hoekaspis matacensis from the middle Ordovician of Bolivia. The trilobite is nicely centred on a massive and nearly circular concretion. | |||
Location: | Pampa de Otavi, Bolivia | ||
| Size trilobite: | about 90 mm long | ||
| Age: | Middle Ordovizium, LLanvirn (Darriwilian) (465 Ma) | ||