Hydroides elegans, copyright Brian Nedved.

Belongs within: Serpulidae.

Hydroides is a genus of serpulid tubeworms characterised in most species by the presence of a two-tier operculum, composed of a proximal funnel and superimposed verticil. Funnel radii generally have simple blunt to pointed marginal teeth (occasionally more elaborate); the verticil usually consists of a number of long spines (ten Hove & Ben-Eliahu 2005).

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<==Hydroides Gunnerus 1768 H62 [incl. Codonytes de Quatrefages 1866 HB-E05]
    |--*H. norvegicus Gunnerus 1768 H62, HB-E05 [=H. norvegica HB-E05; incl. Eupomatus trypanon Claparède 1870 HB-E05]
    |--H. alatalateralis (Jones 1962) HB-E05
    |--H. albiceps (Grube 1870) HB-E05
    |--H. ancorispina Pillai 1971 HB-E05
    |--H. brachyacanthus Rioja 1941 HB-E05
    |--H. chilensis Hartmann-Schröder 1962 HB-E05
    |--H. cruciger Mörch 1863 HB-E05
    |--H. dianthus (Verrill 1873) HB-E05
    |--H. dipoma (Schmarda 1861) [=Eupomatus dipoma, Codonytes dipoma] HB-E05
    |--H. diramphus (Mörch 1863) [incl. Eupomatus lunulifer Claparède 1870] HB-E05
    |--H. elegans (Haswell 1883) HB-E05
    |--‘Sabella’ euplaeana delle Chiaje 1828 [=Codonytes infundibulum] HB-E05
    |--H. exaltatus (von Marenzeller 1885) HB-E05
    |--H. ezoensis Okuda 1934 HB-E05
    |--H. fusicola Mörch 1863 HB-E05
    |--H. grubei Pillai 1965 (n. d.) HB-E05
    |--H. helmatus [incl. H. affinis Marion 1875] HB-E05
    |--H. heterocerus (Grube 1868) HB-E05
    |--H. homoceros Pixell 1913 HB-E05
    |--H. humilis (Bush 1905) HB-E05
    |--H. longispinosus Imajima 1976 [incl. H. centrospina Wu & Chen 1981] HB-E05
    |--H. malleolaspina Straughan 1967 HB-E05
    |--H. minax (Grube 1878) HB-E05
    |--H. multispinosus von Marenzeller 1885
    |--H. niger Zibrowius 1971 [=H. nigra] HB-E05
    |--H. nodosus Straughan 1967 HB-E05
    |--H. novaepommeraniae Augener 1925
    |--H. ochoterena Rioja 1941 HB-E05
    |--H. operculatus (Treadwell 1929) HB-E05
    |--H. pectinata (Philippi 1844) [=Eupomatus pectinata] HB-E05
    |--H. perezi Fauvel 1918 HB-E05
    |--H. priscus Pillai 1971 (n. d.) [=H. prisca] HB-E05
    |--H. protulicola Benedict 1887 HB-E05
    |--H. pseudouncinatus Zibrowius 1968 HB-E05
    |--H. rectus Straughan 1967 HB-E05
    |--H. recurvispina Rioja 1941 HB-E05
    |--H. sanctaecrucis Krøyer in Mörch 1863 HB-E05
    |--H. similoides Bastida Zavala & ten Hove 2003 HB-E05
    |--H. spongicola Benedict 1887 HB-E05
    |--H. stoichadon Zibrowius 1971 HB-E05
    |--H. tambalagamensis Pillai 1961 HB-E05
    `--H. trivesiculosus Straughan 1967 HB-E05

*Type species of generic name indicated


[HB-E05] Hove, H. A. ten, & M. N. Ben-Eliahu. 2005. On the identity of Hydroides priscus Pillai 1971—taxonomic confusion due to ontogeny in some serpulid genera (Annelida: Polychaeta: Serpulidae). Senckenbergiana Biologica 85 (2): 127–145.

[H62] Howell, B. F. 1962. Worms. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt W. Miscellanea: Conodonts, Conoidal Shells of Uncertain Affinities, Worms, Trace Fossils and Problematica pp. W144–W177. Geological Society of America, and University of Kansas Press.

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