Class
Hydrozoa
696 species in this class. Browse scientific names and open each profile for distribution, taxonomy and available wildlife data.
Species · page 4 of 12
Chuniphyes moserae
Chuniphyes moserae
ClausophyidaeChuniphyes multidentata
Chuniphyes multidentata
ClausophyidaeCirrhitiara superba
Cirrhitiara superba
PandeidaeCladocarpus carinatus
Cladocarpus carinatus
AglaopheniidaeCladocarpus formosus
Cladocarpus formosus
AglaopheniidaeCladocarpus integer
Cladocarpus integer
Aglaopheniidae
Cladocoryne floccosa
Cladocoryne floccosa
Cladocorynidae
Cladonema californicum
Cladonema californicum
Cladonematidae
aquarium medusa
Cladonema radiatum
CladonematidaeClausophyes moserae
Clausophyes moserae
Clausophyidae
Club-headed Hydroid
Clava multicornis
HydractiniidaeClavactinia serrata
Clavactinia serrata
HydractiniidaeClytia elsaeoswaldae
Clytia elsaeoswaldae
CampanulariidaeClytia gracilis
Clytia gracilis
Campanulariidae
Gregarious Jelly
Clytia gregaria
Campanulariidae
Hydroid
Clytia hemisphaerica
Campanulariidae
Linear bell hydroid
Clytia linearis
CampanulariidaeClytia noliformis
Clytia noliformis
Campanulariidae
Clytia simplex
Clytia simplex
Campanulariidaesilky medusa
Colobonema sericeum
RhopalonematidaeConopora laevis
Conopora laevis
Stylasteridae
Cordagalma ordinatum
Cordagalma ordinatum
Cordagalmatidae
freshwater hydroid
Cordylophora caspia
CordylophoridaeHydroid
Corydendrium parasiticum
OceaniidaeCorymorpha bigelowi
Corymorpha bigelowi
CorymorphidaeCorymorpha floridana
Corymorpha floridana
CorymorphidaeCorymorpha glacialis
Corymorpha glacialis
Corymorphidae
Corymorpha gracilis
Corymorpha gracilis
CorymorphidaeCorymorpha groenlandica
Corymorpha groenlandica
CorymorphidaeCorymorpha januarii
Corymorpha januarii
Corymorphidae
nodding hydroid
Corymorpha nutans
Corymorphidae
fairypalm hydroid
Corymorpha palma
Corymorphidaeone armed jellyfish
Corymorpha pendula
CorymorphidaeCorymorpha similis
Corymorpha similis
Corymorphidae
Coryne dubia
Coryne dubia
Corynidae
Coral de fuego
Coryne eximia
CorynidaeCoryne japonica
Coryne japonica
Corynidaegrande coryne
Coryne muscoides
CorynidaeCoryne pintneri
Coryne pintneri
Corynidae
red flowerhead polyp
Coryne pusilla
Corynidae
Blue-cross Jelly
Cosmetira pilosella
Mitrocomidae
freshwater jellyfish
Craspedacusta sowerbii
OlindiidaeCrossota alba
Crossota alba
RhopalonematidaeCrossota brunnea
Crossota brunnea
RhopalonematidaeCrossota millsae
Crossota millsae
Rhopalonematidae
Crossota rufobrunnea
Crossota rufobrunnea
RhopalonematidaeCrypthelia cassiculata
Crypthelia cassiculata
StylasteridaeCrypthelia crenata
Crypthelia crenata
StylasteridaeCrypthelia cryptotrema
Crypthelia cryptotrema
StylasteridaeCrypthelia cymas
Crypthelia cymas
StylasteridaeCrypthelia laevigata
Crypthelia laevigata
StylasteridaeCrypthelia papillosa
Crypthelia papillosa
StylasteridaeCrypthelia robusta
Crypthelia robusta
StylasteridaeCrypthelia sinuosa
Crypthelia sinuosa
StylasteridaeCrypthelia spiralis
Crypthelia spiralis
StylasteridaeCrypthelia tenuiseptata
Crypthelia tenuiseptata
StylasteridaeCrypthelia viridis
Crypthelia viridis
StylasteridaeCubaia aphrodite
Cubaia aphrodite
OlindiidaeCunina frugifera
Cunina frugifera
CuninidaeCunina globosa
Cunina globosa
Cuninidae