A trilobite
Phacops fecundus, a marine trilobite of the Devonian age. It is characterized by a cephalon with lateral protuberances. The photo puts in evidence a dihedral symmetry of type D1.
© Franco Valoti
foto di Franco Valoti
The image belongs to the sections...:
* (D1) (Symmetry)
Animals (Anthology of images)
Animals (Symmetry)
