Encrinuridae
Encrinuridae is an extinct family of trilobites that lived during the Silurian period. These marine arthropods are characterized by their distinctive head shields, known as cephalons, which often feature prominent spines or tubercles. The glabella, a central raised area on the cephalon, is typically broad and lobed, with distinct furrows. Many encrinurids also possess elaborate genal spines, which extend backward from the sides of the cephalon.
The thorax of encrinurids is composed of multiple segments, and their tail shields, or pygidia, are often
Several genera are included within the Encrinuridae family, such as Encrinurus, Cromus, and Cybeloides. Their precise