| Family | Genus | Species | Authority | Distribution | References | |
| Campulinidae | Campanulina | panicula | Sars 1874 | Continental | Moyano, 1995 | |
| Campulinidae | Cuspidella | quadridentatum | (Hincks 1874) | Continental | Moyano, 1995 | |
| Campulinidae | Opercularella | belgicae | Hartlaub 1904 | Continental | Moyano, 1995 | |
| Campulinidae | Opercularella | sp. | Continental | Vervoort, 1972 | ||
| Campulinidae | Opercularella | sp. | Continental | Moyano, 1995 | ||
| Campulinidae | Phialella | chilensis | (Hartlaub 1905) | Continental | Moyano, 1995 | |
| Laodiceidae | Stegopoma | plicatile | (Sars 1863) | Continental | Vervoort, 1972 | |
| Tiarannidae | Modeeria | rotunda | Qoy & Gaimard 1827 | Continental | Vervoort, 1972 | |
| Haleciidae | Halecium | beanii | (Johnston 1838) | Continental | Moyano, 1995 | |
| Haleciidae | Halecium | delicatulum | Coughtrey 1876 | Continental | Moyano, 1995 | |
| Haleciidae | Halecium | flexile | Allman 1888 | Continental | Moyano, 1995 | |
| Haleciidae | Halecium | jaederholmi | Vervoort 1972 | Continental | Vervoort, 1972 | |
| Haleciidae | Halecium | sp. | Vervoort 1972 | Continental | Vervoort, 1972 | |
| Haleciidae | Halecium | tenellum | Hincks 1861 | Continental | Moyano, 1995 | |
| Lafoeidae | Abietinella | operculata | (Jäderholm 1903) | Continental | Peña-Cantero et al., 2004 | |
| Lafoeidae | Acryptolaria | longitheca | (Allman 1877) | Continental | Moyano, 1995 | |
| Lafoeidae | Filellum | antarcticum | (Hartlaub 1904) | Continental | Moyano, 1995 | |
| Lafoeidae | Filellum | serpens | (Hassall 1848) | Continental | Blanco, 1994 | |
| Lafoeidae | Filellum | serratum | (Clarke 1879) | Continental | Moyano, 1995 | |
| Lafoeidae | Filellum | sp. | Continental | Vervoort, 1972 | ||
| Lafoeidae | Hebella | calcarata | (Agassiz 1862) | Continental | Moyano, 1995 | |
| Lafoeidae | Hebella | striata | Allman 1888 | Continental | Moyano, 1995 | |
| Lafoeidae | Lafoea | dumosa | (Fleming 1820) | Continental | Moyano, 1995 | |
| Lafoeidae | Lafoea | fruticosa | (Sars 1851) | Continental | Vervoort, 1972 | |
| Aglaopheniidae | Aglaophenia | patagonica | Allman, 1883 | Continental | Moyano, 1995 | |
| Aglaopheniidae | Lytocarpia | sp. | Continental | Vervoort, 1972 | ||
| Plumulariidae | Halopteris | alternata | (Nutting 1900) | Continental | Moyano, 1995 | |
| Plumulariidae | Halopteris | catharina | Johnston 1833 | Continental | Vervoort, 1972 | |
| Plumulariidae | Halopteris | enersis | Galea 2006 | Continental | Galea, 2006 | |
| Plumulariidae | Halopteris | schucherti | Galea 2006 | Continental | Galea, 2006 | |
| Plumulariidae | Nemertesia | cymodocea | (Busk 1851) | Continental | Vervoort, 1972 | |
| Plumulariidae | Plumularia | curvata | Jäderholm 1904 | Continental | Blanco, 1994 | |
| Plumulariidae | Plumularia | leloupi | Blanco 1971 | Continental | Blanco, 1994 | |
| Plumulariidae | Plumularia | setacea | (Linnaeus 1758) | Continental | Moyano, 1995 | |
| Sertulariidae | Amphisbetia | operculata | (Linnaeus 1758) | Continental | Moyano, 1995 | |
| Sertulariidae | Parascyphus | repens | (Jäderholm 1904) | Continental | Moyano, 1995 | |
| Sertulariidae | Parathuiaria | polycarpa | Kirchenpauer 1884 | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | antarctica | Hartlaub 1900 | Continental | Vervoort, 1972 | |
| Sertulariidae | Sertularella | conica | Allman 1877 | Continental | Vervoort, 1972 | |
| Sertulariidae | Sertularella | ellisi | (Deshayes & Milne-Edwards 1836) | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | geniculata | Hincks 1874 | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | geodiae | Totton 1930 | Continental | Vervoort, 1972 | |
| Sertulariidae | Sertularella | microtheca | Leloup 1974 | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | parvula | (Allman 1888) | Continental | Vervoort, 1972 | |
| Sertulariidae | Sertularella | peregrina | Bale 1916 | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | picta | (Meyen 1834) | Continental | Vervoort, 1972 | |
| Sertulariidae | Sertularella | polyzonias | (Linnaeus 1758) | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | robusta | Coughtrey 1876 | Continental | Moyano, 1995 | |
| Sertulariidae | Sertularella | sp. | Continental | Moyano, 1995 | ||
| Sertulariidae | Symplectoscyphus | bathyalis | Vervoort 1972 | Continental | Vervoort, 1972 | |
| Sertulariidae | Symplectoscyphus | flexilis | (Hartlaub 1900) | Continental | Vervoort, 1972 | |
| Sertulariidae | Symplectoscyphus | milneanus | (D’Orbigny 1846) | Continental | Peña Cantero & García Carrascosa, 1999 | |
| Sertulariidae | Symplectoscyphus | modestus | Hartlaub 1901 | Continental | Moyano, 1995 | |
| Sertulariidae | Symplectoscyphus | pygmaeus | Bale 1882 | Continental | Moyano, 1995 | |
| Sertulariidae | Symplectoscyphus | subarticulatus | (Coughtrey 1875) | Continental | Moyano, 1995 | |
| Sertulariidae | Symplectoscyphus | subdichotomus | (Kirchenpauer 1884) | Continental | Moyano, 1995 | |
| Sertulariidae | Symplectoscyphus | tuba | Totton 1930 | Continental | Moyano, 1995 | |
| Sertulariidae | Symplectoscyphus | vanhoeffeni | Totton 1930 | Continental | Moyano, 1995 | |
| Syntheciidae | Staurotheca | jaederholmi | Stechow 1920 | Continental | Moyano, 1995 | |
| Syntheciidae | Synthecium | robustum | Nutting 1904 | Continental | Moyano, 1995 | |
References
Blanco, O. (1994) Enumeración sistemática y distribución geográfica preliminar de los Hydroida de la República Argentina. Suborden Athecata (Gymnoblastea, Anthomedusae), Thecata (Calyptoblastea, Leptomedusae) y Limnomedusae. Revista del Museo de La Plata, (new series) 14, Zoología, 161:181-216.
Galea, H.R. (2006) On two new species of Halopteris Allman, 1877 (Cnidaria: Hydrozoa) from Chile. Zootaxa, 1165:57-68.
Moyano, G.H.I. (1995) Cnidaria. In: Simonetti JA, MTK Arroyo, AE Spotorno & E Lozada (eds) Diversidad Biológica de Chile: 100-116. Comité Nacional de Diversidad Biológica. Comisión Nacional de Investigación Científica y Tecnológica, Santiago, Chile.
Peña Cantero A.L. & García Carrascosa A.M. (1999) Biogeographical distribution of the benthic thecate hydroids collected during the Spanish Antártida 8611 expedition and comparison between Antarctic and Magellan benthic hydroid faunas. Scientia Marina, 63:209-218.
Peña-Cantero, A.L., Svoboda, A. & Vervoort, W. (2004) Antarctic hydroids (Cnidaria, Hydrozoa) of the families Campanulinidae, Lafoeidae and Campanulariidae from recent Antarctic expeditions with R.V. Polarstern, with the description of a new species. Journal of Natural History, 38:2269-2303.
Vervoort, W. (1972) Hydroids from the Theta, Vema and Yelcho cruises of the Lamont-Doherty geological observatory, Zoologische Verhandelingen, Leiden, 120:1-247.