Description

Species: Undeterminate Proetid [See Proetidae on Wikipedia]
Age: Devonian
Locality: Jebel Ofaten, Morocco

Measurements: c. 10 mm long (trilobite) – c. 8 × 5 × 7 cm (matrix)
Weight: 411 g (box included)

A possibly undescribed and rare Proetid trilobite, with a spine springing from a segment at the middle of the thorax. One of the eyes shows minute, well-preserved facets.