Bouillon, J.; Medel, D.; Peña Cantero, A.L. (1997). The taxonomic status of the genus Stylactaria Stechow, 1921 (Hydroidomedusae, Anthomedusae, Hydractiniidae), with the description of a new species. Sci. Mar. (Barc.). 61(4): 471-486.

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Bouillon, J.; Medel, D.; Peña Cantero, A.L.

1997

61(4): 471-486

Publication

The status of all the species ascribed in the literature to Stylactaria is discussed, that nominal genus is considered a congener of Hydractinia and a new species (Hydractinia calderi n. sp.) is described. The medusae of the medusa-based genera Hansiella and Tregoubovia, formerly ascribed to the Hydractiniidae, are shown to be more like the medusae of Thecocodium, a genus having ptilocodiid hydroids. Both Hansiella and Tregoubovia are thus transferred to the Ptilocodiidae. With their removal from the Hydractiniidae, a redefinition of both families is provided. The genus Fiordlandia is considered as synonym of Clavactinia. figs 1-3, tab. 1. Descriptors: CONCHICOLA YAMADA, Hydractinia arctica, Hydractinia arge, Hydractinia betkensis, Hydractinia brachyurae, Hydractinia calderi, Hydractinia carcinicola, Hydractinia claviformis, Hydractinia conchicola, Hydractinia halecii, Hydractinia hooperii, Hydractinia inabai, Hydractinia inermis, H.-ingolfi, Hydractinia mar, Hydractinia minoi, Hydractinia misakiensis, Hydractinia monoon, Hydractinia multigranosi, Clavactinia multitentaculata, Hydractinia multitentaculata, Hydractinia nagaoensis, Hydractinia otagoensis, Hydractinia piscicola, Hydractinia pruvoti, Hydractinia reticulata, Hydractinia sandrae, Hydractinia siphonis, Hydractinia spinipapillaris, Hydractinia uchidai, Hydractinia yerii, Hydractinia? sagamiensis, Rhysia halecii,

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Systematics, Taxonomy
Zoogeography, Biogeography (generalities), Geographic distribution

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