Figure 1 in A graphically illustrated glossary of polychaete terminology: invasive species of Sabellidae, Serpulidae and Spionidae

Figure 1. (a) Bispira manicata with abdomen region highlighted red. (b) Posterior notopodia of Boccardiella bihamata stained with methyl green; arrow points to acicular spine. (c) Acicular thoracic uncini of Euchone limnicola. (d) Ventral anal depression in Euchone variabilis (left, stained with methylene blue) with lateral flanges, and in Euchone limnicola, without flanges. (e) Collar region/base of radiolar crown in Myxicola infundibulum stained with methylene blue; anterior peristomial ring highlighted red. (f) Lateral view of Spirobranchus tetraceros (left) and ventral view of Spirobranchus kraussii (right), both stained with methylene blue; arrows point to apron. (g) Z-shaped avicular thoracic uncini of Laonome triangularis (above) and Bispira manicata (below, stained with methyl green). (h) Bayonet collar chaetae in Serpula jukesi, stained with methyl green. (i) Bayonet thoracic chaetae in Jasmineira sp. (j) Arrows point to branchiae in Boccardia chilensis (left and right specimens stained with methylene blue and methyl green, respectively). All scales in mm.