Figure 27. A–K, Serpula amplilobata n in Descriptions of New Serpulid Polychaetes from the Kimberleys of Australia and Discussion of Australian and Indo-West Pacific Species of Spirobranchus and Superficially Similar Taxa

Figure 27. A–K, Serpula amplilobata n.sp., from holotype AM W21410: (A) coiled tube showing bonded coils and granular overlay; (B,C) two views of the bell- shaped operculum, showing the conspicuously thickened, translucent cuticle along iterradii and tips of radiolar lobes, and the sharp constriction between operculum and peduncle; B also shows the rudimentary operculum; (D) a branchial radiole; (E–I) bayonet-shaped special collar chaetae; note the short unserrated notch; (J) thoracic uncini; (K) anterior abdominal uncini.