FIGURE 4 in What is Pseudopotamilla reniformis (Sabellidae)? Comparisons of populations from Britain, Iceland and Canada with comments on Eudistylia and Schizobranchia

FIGURE 4. Pseudopotamilla aspersa (Krøyer, 1856). A–J & P, N: Type ZMUC POL-00523; K, L, M: lost Syntype, after Krøyer: A) 'whole' worm, left crown missing, posterior damaged; B) antero-lateral detail of A; C) anterior thorax, dorsal view; D) same, ventral view; E) superior thoracic chaeta; F) inferior thoracic chaeta, front view; G) same, side view; H) side views of thoracic uncinus (left) and companion chaeta (right); J) view of companion chaeta showing teardrop-shaped 'blade'; K) uncinus and companion chaeta (after Krøyer); L) same, but part of torus; M) left side of crown; N) and P) two views of abdominal chaetae. Not scaled: H, J. Krøyer gave no scales for K–M.