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Records of the Australian Museum (2009) Vol. 61 
Figure 41. A-N, Spirobranchus richardsmithi n.sp. A-I, from holotype AM W21433: (A) tube, viewed from above; longitudinal ridges 
damaged in its middle part during removal of encrusting coral. B-E, different views of operculum: ( B ) dorsal view of operculum and 
peduncle; (C) left lateral view; ( D ) anteroventral view; (E) anterior view. F-I, chaetae: (F) bayonet-shaped special collar chaeta; (G) 
thoracic uncini; ( H) anterior abdominal uncini; (/) posterior abdominal uncini. J-M, from a paratype: (7) tube; K-M, operculum: (K) right 
ventrolateral view; (L) anterior view; (A/) left anterolateral view; (AO operculum of another another paratype, left lateral view. 
Spirobranchus richardsmithi n.sp. 
Figs 41 A-N, 42A-H, 43A-K 
Spirobranchus giganteus corniculatus. —Bailey-Brock 
(1985: 203, fig. 6a-c). 
Spirobranchus gardineri. —Fiege & Sun (1999: 126, fig. 
15A,B). 
Type material. Kimberleys, Western Australia: holotype and 3 
PARATYPES, all AM W21433, east of Montalivet Island, 15°06'S 125°88'E, 
intertidal, 6 m, 16 Jul. 1988, st 50; coll. P.A. Hutchings. 
Additional material examined. Kimberleys, Western Australia: 5 
specimens, AM W21442, Long Reef, 13°58'S 125°38'E,25 m, 17 Jul. 1988, 
st 58; empty tubes, AM W21444, Long Reef, 13°58'S 125°38’E, 25 m, 17 
Jul. 1988, st58.1 early juvenile specimen, AM W21474, south west comer 
of Lucas Island, 15°13'S 124 0 31'E, underside of coral, 30 m, 24 Jul. 1988, 
st 101; all coll. RA. Hutchings. 
