Jaime Gonzalez-Cueto, Sigmer Quiroga, Jon Norenburg
Zookeys
Figure 2.A–B Tubulanus rhabdotus: B detail of the head, mouth and lateral organ (modified from Corrêa 1954) C–E Baseodiscus delineatus: C entire specimen, the worm has expulsed the proboscis D ventral detail of the head E dorsal detail of the head F–I Dushia atra: G dorsal detail of the head H ventral detail of the head I detail of the tail showing the caudal cirrus J–L Lineus stigmatus: J entire specimen, the worm autotomized K ventral detail of the head L lateral detail of the head. b brain, c cirrus, cg cephalic grooves, e eyes, lo lateral organ, m mouth, p proboscis, pp proboscis pore.
Head with quite few eyes. Other specimens can have obvious eyes in rows on the heads lighter margins. L ruber and L viridis - I dont know if these are two spp or just one. Sequences give mixed messages.
Spec. 404. I dont know if Lineus ruber and Lineus viridis are one or two species. Sequences give mixed messages so far. If it+s grren, I say viridis, if its red I say ruber, and in between, I say viridis/ruber...