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Records of the Australian Museum (2009) Vol. 61 
Figure 11. SEM of Megalomma injiata n.sp., AM W23057; (A) tip of radioles and dorsalmost compound subdistal eyes; (B) base of radiolar 
crown and anterior segments, lateral view; (C) margins of collar, dorsolateral view; (D) chaetae, first thoracic segment; (E) chaetae, anterior 
thoracic segment; (F) inferior thoracic chaetae, posterior thoracic segment; (G) abdominal chaetae; (H) thoracic uncini; (7) companion 
chaetae, same chaetiger; ( J) anterior abdominal uncini. 
with M. injiata n.sp. is M. quadrioculatum (Willey, 1905) 
but examination of the holotype for this review revealed the 
presence of a large caruncle, which is absent in the new species. 
Megalomma sp. 1 
Figs 2N-Q, 41,J, 5E 
Material examined. Queensland. AM W30022 (1 spec.), Abbott Point, 
near Bowen, 19°53'S 148°05'E, coll, by CRC Reef Research Centre Ltd for 
Queensland Ports Survey, from pylon scraping, 8 Jul. 1998, 7 m. 
Description. Single specimen complete, measures 74 mm 
long (18 mm crown) and 5 mm wide. Crown longer than 
thorax, with 22 pairs of radioles in each lobe, arranged in a 
semicircle. External margin of radioles quadrangular at the 
base and rounded towards the tips (Fig. 2N,0,Q), without 
lateral flanges. Tips of radioles shorter than pinnules (Fig. 
2Q). Radiolar skeleton with 15-20 cells in transverse section 
at the base of radioles (Fig. 5E). More than half (18-19) of the 
radioles with single subdistal compound eyes. Dorsalmost pair 
of radioles with large eye almost surrounding the tip of radiole, 
not spiral (Fig. 2Q); on adjacent radioles bearing subdistal 
eyes, eyes small and spherical, similar in size. Dorsal lips 
