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Figure 29. A-F, Serpula jukesii Baird, 1865 from AM 21934: (A) operculum; it lacks a bulbous proximal part, and its cuticle is thin; 
( B-D ) bayonet collar chaetae; B,C, show the moderately long unserrated notch; D, an older chaeta in which the un-serrated notch is 
very long due to the original notch being worn out; ( E ) thoracic uncini; (F) anterior abdominal uncini. G-L, Serpula nudiradiata n.sp., 
from holotype, AM W202942: (G) tube; ( H) operculum in lateral view, and rudimentary operculum; (7) anterolateral view of operculum; 
both H and I the thin cuticle, the proximal bulb-shaped part and distal funnel-shaped part, and a sharp constriction present between the 
opercular peduncle and the operculum; the operculum also has basal bulb, with a constriction between is also present between the proximal 
bulbous part and the distal funnel-shaped part; ( J) dorsal view of abdomen showing the narrow gaps separating abdominal tori.; the tori 
almost meet from about the 9th/10th pairs to about the 16th/ 17th pairs and the gaps gradually increase again; (K) ventral view of thorax 
showing the 2 apertures for thoracic glands, and the apron; (L) bayonet-shaped collar chaeta, showing stout shaft, squarish boss, more or 
less triangular and blunt teeth, and lack of an un-serrated notch. 
