| Here is a inexpensive example of a Valongo Trilobite of the species Eodalmanitina destombesi with preserved pygidial spine. | |||
Location: | Valongo - Portugal | ||
| Size trilobite: | about 27 mm long, | ||
| Age: | Middle Ordovician , Llandailo (Darriwilian) (about. 464. Ma) | ||