Figure 10. Mesochaetopterus xerecus. A in Description of a new species of Mesochaetopterus (Annelida, Polychaeta, Chaetopteridae), with redescription of Mesochaetopterus xerecus and an approach to the phylogeny of the family

Figure 10. Mesochaetopterus xerecus. A, Chaetal arrangement of the modified A4 chaetiger. B–J, Chaetae. B, Tip of the dorsal finely pointed lancet-like chaeta 'd'. C, Dorsolateral transparent knife-like chaeta 'ld1'. D, Dorsolateral transparent knife-like chaeta 'ld2'. E, Dorsolateral brownish knife-like chaeta 'ld3'. F, Lateroventral brownish knife-like chaeta 'ld3'. G, H, I, Typical modified chaetae: lv2, lateral; lv3, lateroventral; v, ventralmost. J, Tip for the ventralmost modified chaeta 'v'. Scale bars are in Mm.