Fig. 4: Three-dimensional reconstruction of Pygmaclypeatus daziensis showing the discovered dorsal and ventral compound eyes.
From: Pygmaclypeatus daziensis, a unique lower Cambrian arthropod with two different compound eye systems

a Anterior oblique view. b Dorsal view. c Dorso-lateral oblique view. d Ventral view. DCE: dorsal compound eyes. VCE ventral compound eyes.