| Here is a large example of the rare trilobite species Selenopeltis (Laguedopeltis) gallicus from the middle Ordovician of Portugal. On the backside of Negative side is a other fine example of the genus Prionocheilus sp. | |||
Location: | Macao, Portugal | ||
| Size trilobite: | about 81 & 29 mm. | ||
| Age: | Upper Ordovician , Caradoc (Sandbian) (about. 464. Ma) | ||