94 
Records of the Australian Museum (2009) Vol. 61 
Indeterminate species of Vermiliopsis reported from the Indo-West Pacific . 108 
Genus Pomatostegus Schmarda, 1861 . 109 
Pomatostegus actinoceros (Morch, 1863) . 109 
Subfamily Serpulinae Macleay, 1840, sensu stricto (emended) . 112 
Type genus Serpula Linnaeus, 1758 . 112 
Hitherto unused morphological characters . 112 
Genus Hydroides Gunnerus, 1768 . 113 
Hydroides adamaformis n.sp. 113 
Hydroides exaItatus (Marenzeller, 1885) . 115 
Hydroides kimberleyensis n.sp. 118 
Hydroides minax (Grube, 1878) . 120 
Hydroides pseudexaltatus n.sp. 120 
Hydroides simplidentatus n.sp. 122 
Hydroides spiculitubus n.sp. 125 
Hydroides spiratubus n.sp. 128 
Hydroides trihamulatus n.sp. 131 
Genus Serpula Linnaeus, 1758 . 134 
Serpula amplilobata n.sp. 134 
Serpula jukesii Baird, 1865 . 135 
Serpula nudiradiata n.sp. 136 
?Serpula species . 139 
Serpula watsoni Willey, 1905 . 140 
Genus Spiraserpula Regenhardt, 1961 . 143 
Spiraserpula snellii Pillai & ten Hove, 1994 . 143 
Subfamily Spirobranchinae Uchida, 1978 . 144 
Synonymy of the genera Spirobranchus, Pomatoceros and Pomatoleios . 146 
Terminology relating to collar chaetae in Spirobranchus . 148 
Section 1: The Kimberley s’ species of Spirobranchus . 148 
Spirobranchus baileybrockae n.sp. 148 
Spirobranchus corniculatus (Grube, 1862) . 150 
Spirobranchus sip. 1, cf. polytremus (Philippi, 1844) . 153 
Spirobranchus richardsmithi n.sp. 154 
Spirobranchus tetraceros (Schmarda, 1861) . 158 
Spirobranchus sp. 2 (juveniles) . 162 
Section 2: Descriptions and comparisons with some collections of Spirobranchus 
from other locations in Australia and the Indo-West Pacific Oceans. 163 
Spirobranchus acuiconus (Pillai, 1960). 163 
Spirobranchus arabicus (Monro, 1937) . 163 
Spirobranchus sp. 3 . 165 
Spirobranchus elatensis n.sp. 165 
Spirobranchus kraussii (Baird, 1865). 168 
Spirobranchus sp. 4 . 168 
Spirobranchus maldivensis Pixell, 1913. 171 
Spirobranchus murrayi n.sp. 171 
Spirobranchus paumotanus (Chamberlin, 1919). 175 
Spirobranchus pseudopolytremus n.sp. 176 
Spirobranchus semperi Morch, 1861. 178 
Spirobranchus sp. 5 . 182 
Spirobranchus sp. 6 . 184 
Spirobranchus tenhovi n.sp. 184 
Spirobranchus zelandicus n.sp. 186 
Spirobranchus zibrowii n.sp. 188 
Acknowledgments . 190 
References. 190 
Appendix—Key to genera and species dealt with in present paper. 194 
