Class
Hydrozoa
241 species in this class. Browse scientific names and open each profile for distribution, taxonomy and available wildlife data.
Orders in Hydrozoa
Continue through the taxonomy to reach every species profile with standard HTML links.
Families in Hydrozoa
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Species · page 4 of 5
Grand hydraire plumeux
Polyplumaria flabellata
Halopterididae
Blue Button
Porpita porpita
Porpitidae
Giant Siphonophore
Praya dubia
Prayidae
Proboscidactyla stellata
Proboscidactyla stellata
ProboscidactylidaeProtohydra leuckarti
Protohydra leuckarti
Protohydridae
Rathkea octopunctata
Rathkea octopunctata
Rathkeidae
horsetail hydroid
Rhizocaulus verticillatus
Campanulariidae
Rhizophyse filiforme
Rhizophysa filiformis
Rhizophysidaeveiled medusa
Rhopalonema velatum
Rhopalonematidae
Rosacea cymbiformis
Rosacea cymbiformis
PrayidaeSalacia desmoides
Salacia desmoides
Sertulariidae
clapper hydroid
Sarsia tubulosa
Corynidae
Schizotricha frutescens
Schizotricha frutescens
Schizotrichidae
Sertularelle blanche
Sertularella crassicaulis
Sertularellidae
Sertularella ellisii
Sertularella ellisii
SertularellidaeSertularella gaudichaudi
Sertularella gaudichaudi
Sertularellidae
Sertulaire de Gay
Sertularella gayi
Sertularellidae
Sertularelle de Méditerranée
Sertularella mediterranea
Sertularellidae
great tooth hydroid
Sertularella polyzonias
Sertularellidae
snail trefoil hydroid
Sertularella rugosa
Sertularellidae
squirrel's tail
Sertularia argentea
Sertulariidae
Squirrel's-tail Hydroid
Sertularia cupressina
SertulariidaeSertularia tenera
Sertularia tenera
Sertulariidae
Slabberia halterata
Slabberia halterata
Corynidae
Solmaris corona
Solmaris corona
Solmarisidae
Solmissus
Solmissus albescens
Cuninidae
Solmissus incisa
Solmissus incisa
Cuninidae
Solmundella bitentaculata
Solmundella bitentaculata
SolmundaeginidaeSphaeronectes koellikeri
Sphaeronectes koellikeri
Sphaeronectidae
Stauridiosarsia gemmifera
Stauridiosarsia gemmifera
CorynidaeStauridiosarsia ophiogaster
Stauridiosarsia ophiogaster
CorynidaeStauridiosarsia producta
Stauridiosarsia producta
Corynidae
Whitecross jellyfish
Staurostoma mertensii
LaodiceidaeStephanophyes superba
Stephanophyes superba
PrayidaeStylaster venustus
Stylaster venustus
StylasteridaeStylaster verrillii
Stylaster verrillii
StylasteridaeSulculeolaria biloba
Sulculeolaria biloba
DiphyidaeSulculeolaria quadrivalvis
Sulculeolaria quadrivalvis
DiphyidaeHydraire à branches opposées
Synthecium evansi
Syntheciidae
sea tamarisk
Tamarisca tamarisca
SertulariidaeTeissiera medusifera
Teissiera medusifera
TeissieridaeTetraplatia volitans
Tetraplatia volitans
TetraplatiidaeThecocodium brieni
Thecocodium brieni
Ptilocodiidae
sea spleenwort
Thuiaria articulata
Sertulariidae
bottlebrush hydroid
Thuiaria thuja
Sertulariidae
Tiaropsis multicirrata
Tiaropsis multicirrata
Tiaropsidae
Tima bairdii
Tima bairdii
Eirenidae
Tima flavilabris
Tima flavilabris
Eirenidae
Tricyclusa singularis
Tricyclusa singularis
TricyclusidaeTridentata perpusilla
Tridentata perpusilla
Sertulariidae
Oaten Pipes Hydroid
Tubularia indivisa
Tubulariidae
Medusa inmortal
Turritopsis nutricula
OceaniidaeTurritopsis polycirrha
Turritopsis polycirrha
Oceaniidae
By-the-wind-sailor
Velella velella
PorpitidaeVogtia glabra
Vogtia glabra
HippopodiidaeVogtia pentacantha
Vogtia pentacantha
HippopodiidaeVogtia serrata
Vogtia serrata
HippopodiidaeZanclea costata
Zanclea costata
ZancleidaeZanclea giancarloi
Zanclea giancarloi
ZancleidaeZanclea implexa
Zanclea implexa
Zancleidae