Class
Hydrozoa
696 species in this class. Browse scientific names and open each profile for distribution, taxonomy and available wildlife data.
Species · page 8 of 12
Melicertum tropicalis
Melicertum tropicalis
MelicertidaeMerga costata
Merga costata
PandeidaeMerona cornucopiae
Merona cornucopiae
Oceaniidae
Branching Fire Coral
Millepora alcicornis
MilleporidaeMillepora braziliensis
Millepora braziliensis
Milleporidae
Blade Fire Coral
Millepora complanata
Milleporidae
Fire Coral
Millepora dichotoma
Milleporidae
Fire Coral
Millepora exaesa
MilleporidaeMillepora nitida
Millepora nitida
Milleporidae
Fire Coral
Millepora platyphylla
Milleporidae
Crustal Fire Coral
Millepora squarrosa
MilleporidaeBladed Box Fire Coral
Millepora striata
Milleporidae
Fire coral
Millepora tenera
MilleporidaeMitrocoma annae
Mitrocoma annae
Mitrocomidae
cross jellyfish
Mitrocoma cellularia
Mitrocomidae
Mitrocomella brownei
Mitrocomella brownei
Mitrocomidae
Mitrocomella polydiademata
Mitrocomella polydiademata
Mitrocomidae
Snow Globe Jelly
Modeeria rotunda
TiarannidaeMonobrachium parasitum
Monobrachium parasitum
MonobrachiidaeMonocoryne bracteata
Monocoryne bracteata
CandelabridaeMonocoryne colonialis
Monocoryne colonialis
CandelabridaeMonocoryne gigantea
Monocoryne gigantea
CandelabridaeMonostaechas quadridens
Monostaechas quadridens
HalopterididaeMonotheca obliqua
Monotheca obliqua
Plumulariidae
Muggiaea atlantica
Muggiaea atlantica
Diphyidae
Myrionema amboinense
Myrionema amboinense
EudendriidaeHydraire mimosa
Myrionema hargitti
Eudendriidae
Common Siphonophore
Nanomia bijuga
Agalmatidae
Nanomia cara
Nanomia cara
Agalmatidae
Nanomia septata
Nanomia septata
AgalmatidaeNectadamas diomedeae
Nectadamas diomedeae
Prayidae
Nectopyramis natans
Nectopyramis natans
Prayidae
Nemalecium caeruleus
Nemalecium caeruleus
Haleciidae
Common curled hydroid
Nemalecium lighti
HaleciidaeNemertesia americana
Nemertesia americana
Plumulariidae
sea beard
Nemertesia antennina
PlumulariidaeNemertesia fraseri
Nemertesia fraseri
Plumulariidae
Nemertesia norvegica
Nemertesia norvegica
Plumulariidae
hydroid
Nemertesia ramosa
Plumulariidae
clinging jellyfish
Nemopsis bachei
BougainvilliidaeNeotima lucullana
Neotima lucullana
Eirenidae
Neoturris breviconis
Neoturris breviconis
Pandeidae
Neoturris pileata
Neoturris pileata
Pandeidaedoubletoothed hydroid
Obelia bidentata
Campanulariidae
sea thread hydroid
Obelia dichotoma
Campanulariidae
knotted thread hydroid
Obelia geniculata
Campanulariidae
hydroid
Obelia longissima
Campanulariidae
Océanie armée
Oceania armata
OceaniidaeOctobulbacea corynetes
Octobulbacea corynetes
OlindiidaeOctophialucium aphrodite
Octophialucium aphrodite
MalagazziidaeOctophialucium irregularis
Octophialucium irregularis
MalagazziidaeOdessia maeotica
Odessia maeotica
Moerisiidae
iridescent limnomedusian
Olindias muelleri
Olindiidae
Olindias sambaquiensis
Olindias sambaquiensis
Olindiidae
Olindias tenuis
Olindias tenuis
OlindiidaeHydroid
Opercularella lacerata
CampanulinidaeClub Hydromedusa
Orchistoma pileus
OrchistomatidaeOrthopyxis compressa
Orthopyxis compressa
CampanulariidaeOrthopyxis everta
Orthopyxis everta
CampanulariidaeOrthopyxis integra
Orthopyxis integra
Campanulariidae