Fig. 4From: Intraspecific variation in the Cambrian: new observations on the morphology of the Chengjiang euarthropod Sinoburius lunarisPossible eye locations. a Ventral eyes, stalked. b Ventral eyes, without stalk. c Dorsal eyes, without stalk. d Ventral eyes, stalked, mode of eyes swinging-in simulated. a Ventral view. b–d Frontal view. Models made in Blender based on head shield of specimen YRCP 0011. db, dorsal bulge; ec, eye cavity; es, eye stalk; ey, eye; hy, hypostome. Not designed to scaleBack to article page