Zootaxa 3424: 1–42 (2012) ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ ZOOTAXA Copyright © 2012 · Magnolia Press Article ISSN 1175-5334 (online edition) Serpulidae (Annelida: Polychaeta) from Hong Kong YANAN SUN1, HARRY A. TEN HOVE2 & JIAN-WEN QIU1, 3 1Department of Biology, Hong Kong Baptist University, Hong Kong, P.R.China 2Netherlands Centre for Biodiversity Naturalis, P.O. Box 9517, 2300 RA, Leiden, The Netherlands 3Corresponding author. E-mail: [email protected] Table of contents Abstract . 2 Introduction . 2 Material and methods . 3 Results . 4 Key to species of Serpulidae from Hong Kong . 6 Systematics . 6 Family Serpulidae Rafinesque, 1815. 6 Genus Hydroides Gunnerus, 1768 . 6 Hydroides albiceps (Grube, 1870) . 7 Hydroides diramphus Mörch, 1863 . 7 Hydroides elegans (Haswell, 1883) . 11 Hydroides exaltatus (Marenzeller, 1885) . 13 Hydroides ezoensis Okuda, 1934 . 15 Hydroides fusicola Mörch, 1863 . 15 Hydroides longistylaris Chen and Wu, 1980 . 15 Hydroides operculatus (Treadwell, 1929) . 17 Hydroides rhombobulus Chen and Wu, 1980 . 19 Hydroides sanctaecrucis Krøyer [in] Mörch, 1863 . 20 Hydroides tambalagamensis Pillai, 1961 . 21 Genus Metavermilia Bush, 1905 . 23 Metavermilia acanthophora (Augener, 1914). 23 Metavermilia cf. inflata Imajima, 1977 . 23 Genus Pomatoceros Schmarda, 1861 . 23 Pomatoceros triqueter (Linnaeus, 1758). 24 Genus Pomatostegus Schmarda, 1861 . 24 Pomatostegus actinoceras Mörch, 1863 . 24 Pomatostegus stellatus (Abildgaard, 1789) . 24 Genus Protula Risso, 1826 . 24 Protula bispiralis (Savigny, 1822) . 24 Genus Salmacina Claparède, 1870 . 25 Salmacina cf. dysteri (Huxley, 1855) . 25 Genus Serpula Linnaeus, 1758 . 25 Serpula cf. granulosa Marenzeller, 1885 . 26 Serpula vermicularis Linnaeus, 1767 . 28 Serpula watsoni Willey, 1905 . 28 Genus Spirobranchus Blainville, 1818 . 28 Spirobranchus corniculatus-complex . 28 Spirobranchus kraussii (Baird, 1865) . 28 Spirobranchus cf. polytrema not (Philippi, 1844), Type A sensu Imajima 1977 . 30 Spirobranchus tetraceros (Schmarda, 1861). 33 Spirobranchus sp. A . 34 Spirobranchus sp. B . 35 Genus Vermiliopsis Saint-Joseph, 1894 . 37 Vermiliopsis glandigerus Gravier, 1906 . 37 Acknowledgements . 39 References . ..