Hydrozoa source details
Hydra oligactis Pallas, 1766 (original description)
Hydra viridissima Pallas, 1766 (original description)
Hydra vulgaris Pallas, 1766 (original description)
Millepora agariciformis Pallas, 1766 accepted as Mesophyllum lichenoides (J.Ellis) Me.Lemoine, 1928 (original description)
Millepora calcarea Pallas, 1766 accepted as Phymatolithon calcareum (Pallas) W.H.Adey & D.L.McKibbin ex Woelkering & L.M.Irvine, 1986 (original description)
Millepora cervicornis Pallas, 1766 accepted as Smittina cervicornis (Pallas, 1766) (original description)
Millepora liliacea Pallas, 1766 accepted as Tubulipora liliacea (Pallas, 1766) (original description)
Millepora miniacea Pallas, 1766 accepted as Miniacina miniacea (Pallas, 1766) (original description)
Millepora pumicosa Pallas, 1766 accepted as Cellepora pumicosa (Pallas, 1766) (original description)
Millepora truncata Pallas, 1766 accepted as Myriapora truncata (Pallas, 1766) (original description)
Millepora violacea Pallas, 1766 accepted as Distichopora violacea (Pallas, 1766) (original description)
Sertularia articulata Pallas, 1766 accepted as Thuiaria articulata (Pallas, 1766) (original description)
Sertularia gelatinosa Pallas, 1766 accepted as Hartlaubella gelatinosa (Pallas, 1766) (original description)
Sertularia longissima Pallas, 1766 accepted as Obelia longissima (Pallas, 1766) (original description)
Sertularia nigra Pallas, 1766 accepted as Diphasia nigra (Pallas, 1766) (original description)
Sertularia pinnata Pallas, 1766 accepted as Diphasia nigra (Pallas, 1766) (original description)
Sertularia uniflora Pallas, 1766 accepted as Campanularia volubilis (Linnaeus, 1758) (original description)
Sertularia volubilis Pallas, 1766 accepted as Calycella syringa (Linnaeus, 1767) (original description)
Tubularia calamaris Pallas, 1766 accepted as Tubularia indivisa Linnaeus, 1758 (original description)
Tubularia muscoides Pallas, 1766 accepted as Ectopleura larynx (Ellis & Solander, 1786) (original description)
Tubularia ramea Pallas, 1766 accepted as Eudendrium rameum (Pallas, 1766) (original description)
Tubularia trichoides Pallas, 1766 accepted as Eudendrium ramosum (Linnaeus, 1758) (original description)
Mediterranean Sea for Tubularia ramea Pallas, 1766
Medusa with apical projection, manubrium cylindrical, mouth simple, tubular; four radial canals; four conical ... [details]
Hydroid phase unknown. Medusa with narrow manubrium, no peduncle; closed marginal vesicles; adaxial ocelli; four ... [details]
Hydroid colony stolonal or erect, rect ones often polysiphonic; hydrothecae very large, bell-shaped, borne on smooth ... [details]
Hydroid colony stolonal or branched; hydrotheca usually campanulate or cylindrical, adnate or upright, with or ... [details]
Hydroid solitary or forming pseudo-colonies. Hydrocaulus short, with tubular or root-like adhesive processes, with ... [details]
Hydroid colony stolonal, hydrotheca sessile, tubular turning gradually into a pyramidal operculum formed by ... [details]
Hydroid colonial, stolonal simple or sparingly branched, hydranth club-shaped, one whorl of moniliform or capitate ... [details]
Hydroids colonial, polymorphic, forming erect and branched or unbranched stems resulting from the addition of ... [details]
Hydroid colony arborescent through skeleton of complexly fused chitinous stolons; hydrotheca tubular, entierly or ... [details]
Hydroids sessile, usually not polymorphic, hydrorhiza reticulate, covered by perisarc, without spines; hydranth ... [details]
Hydroid: unknown. Medusa umbrella with apical projection. Manubrium on gastric peduncle, four unbranched oral ... [details]
Hydroid colony forming a chitinized hydrorhizal stolonal plate; hydranths columnar, with thickened, ridged ... [details]
Hydroid: unknown. Medusa: umbrella lobed, divided by peronial grooves or similar structures; four radial canals; ... [details]
Hydroid with moniliform or modified moniliform tentacles, scattered or in one whorl around middle part of the ... [details]
Hydroid: unknown. Anthoathecata with two opposite simple and two opposite bifurcated radial canals, so that six ... [details]
Hydroids monomorphic or polymorphic, sessile, stolonal, or branched colonies. Gastrozooids bearing filiform ... [details]
Hydroid colony pinnate, occasionally bushy, stem monosiphonic, giving rise alternately from opposite sides to two ... [details]
Hydroids sessile, hydrorhiza fromed by creeping naked stolons, epizooic on tubes sabellid polychaetes; hydranths ... [details]
Hydroids stolonal, arising from creeping stolons; hydranths on short hydrocaulus; hydrorhiza and hydrocaulus ... [details]
Solitary, small, elongated hydroids usually living in brackish-waters; without tentacles and gonophores, pedal ... [details]
Hydroids sessile, hydrorhiza stolonal, reticular or encrusting and covered by naked coenosarc; hydranths ... [details]
Hydroids sessile, hydrorhiza stolonal, reticular or encrusting and covered by naked coenosarc; hydranths polymorphic; ... [details]
Hydroid stolonal or sessile, polymorphic; hydrorhiza tubular, covered with perisarc; gastrozooid naked, columnar, ... [details]
Hydroid forming large, branching colony, with chitinous internal anastomosing skeleton formed by coalescence and ... [details]
Hydroid colony erect, branched, usually flabellate, more rarely encrusting, with a thick calcareous exoskeleton ... [details]
Hydroids sessile, stolons covered by thin perisarc; hydranth with a collar-like tube of perisarc at base, with one ... [details]
Hydroid phase so far unknown. Medusa umbrella conical or dome-shaped, without apical chamber; manubrium broadly ... [details]