Hydroids of Australia
Diphasia subcarinata
Diphasia subcarinata
Crateritheca crenata
Crateritheca crenata
Crateritheca acanthostoma
Crateritheca acanthostoma
Amphisbetia olseni
Amphisbetia olseni
Amphisbetia minuscula
Amphisbetia minuscula
Amphisbetia minima
Amphisbetia minima
Amphisbetia maplestonei
Amphisbetia maplestonei
Amphisbetia bicuspidata
Amphisbetia bicuspidata
Dentitheca hertwigi
Dentitheca hertwigi
Filellum antarcticum
Filellum antarcticum
Gattya trebilcocki
Gattya trebilcocki
Gattya balei
Gattya balei
Gattya aglaopheniaformis
Gattya aglaopheniaformis
Antennella tubulosa
Antennella tubulosa
Antennella campanuliformis
Antennella campanuliformis
Halecium delicatulum
Halecium delicatulum
Clytia pearsonensis
Clytia pearsonensis
Campanularia pulcratheca
Campanularia pulcratheca
Campanularia gaussica
Campanularia gaussica
Campanularia ambiplica
Campanularia ambiplica
Gymnangium prolifera
Gymnangium prolifera
Gymnangium longirostre
Gymnangium longirostre
Gymnangium aureum
Gymnangium aureum
Aglaophenia plumosa
Aglaophenia plumosa
Aglaophenia divaricata
Aglaophenia divaricata
Filellum annulatum
Filellum annulatum
Amphisbetia avia
Amphisbetia avia
Halecium bruniensis
Halecium bruniensis
Eudendrium aylingae
Eudendrium aylingae
Eudendrium balei
Eudendrium balei
red stickhydroid
Eudendrium carneum
Eudendrium corrugatum
Eudendrium corrugatum
Eudendrium currumbense
Eudendrium currumbense
Eudendrium generale von
Eudendrium generale von
Eudendrium glomeratum
Eudendrium glomeratum
Eudendrium infundibuliforme
Eudendrium infundibuliforme
Eudendrium kirkpatricki
Eudendrium kirkpatricki
Eudendrium merulum
Eudendrium merulum
Eudendrium minutum
Eudendrium minutum
Eudendrium nambuccense
Eudendrium nambuccense
Eudendrium pennycuikae
Eudendrium pennycuikae
Eudendrium racemosum
Eudendrium racemosum
Eudendrium terranovae
Eudendrium terranovae
Eudendrium novazealandiae
Eudendrium novazealandiae
Eudendrium ritchei
Eudendrium ritchei
Halecium amphibolum
Halecium amphibolum
Aglaophenia postdentata
Aglaophenia postdentata
Clytia paulensis
Clytia paulensis
Cirrholovenia tetranema
Cirrholovenia tetranema
Amphisbetia minuta
Amphisbetia minuta
Dentitheca alata
Dentitheca alata
Gymnangium gracilicaule
Gymnangium gracilicaule
Aglaophenia pseudoplumosa
Aglaophenia pseudoplumosa
Candelabrum harrisonii
Candelabrum harrisonii
Calamphora campanulata
Calamphora campanulata
Filellum serpens
Filellum serpens
Cladocoryne floccosa
Cladocoryne floccosa
Corydendrium parasiticum
Corydendrium parasiticum
Dynamena quadridentata
Dynamena quadridentata
Dynamena bilamellata
Dynamena bilamellata
Diphasia mutulata
Diphasia mutulata
Diphasia digitalis
Diphasia digitalis
Cladacanthella scabra
Cladacanthella scabra
Anthohebella parasitica
Anthohebella parasitica
Anthohebella darwinensis
Anthohebella darwinensis
Clytia linearis
Clytia linearis
Gymnangium undulatum
Gymnangium undulatum
Gymnangium longicorne
Gymnangium longicorne
Aglaophenia decumbens
Aglaophenia decumbens
Aglaophenia allmani
Aglaophenia allmani
Aglaophenia sinuosa
Aglaophenia sinuosa
Clathrozoella drygalskii
Clathrozoella drygalskii
Clathrozoella bathyalis
Clathrozoella bathyalis
Clathrozoella abyssalis
Clathrozoella abyssalis
Clathrozoella medeae
Clathrozoella medeae
Calamphora quadrispinosa
Calamphora quadrispinosa
Filellum conopeum
Filellum conopeum
Acryptolaria operculata
Acryptolaria operculata
Acryptolaria minuta
Acryptolaria minuta
Acryptolaria conferta
Acryptolaria conferta
Campanularia diverticula
Campanularia diverticula
Gymnangium japonicum
Gymnangium japonicum
Eudendrium macquariensis
Eudendrium macquariensis
Eudendrium deforme
Eudendrium deforme
Aglaophenia carinifera
Aglaophenia carinifera
Gymnangium ascidioides
Gymnangium ascidioides
Gymnangium humile
Gymnangium humile
Gymnangium superbum
Gymnangium superbum
Campanularia nuytsensis
Campanularia nuytsensis
Amphisbetia macrocarpa
Amphisbetia macrocarpa
Amphisbetia geminata
Amphisbetia geminata
Amphisbetia bidens
Amphisbetia bidens
Cladocoryne minuta
Cladocoryne minuta
Aglaophenia brachiata
Aglaophenia brachiata
Aglaophenia recherchia
Aglaophenia recherchia
Gymnangium australimage
Gymnangium australimage
Gymnangium ilicistomum
Gymnangium ilicistomum
Clytia stolonifera
Clytia stolonifera
Clathrozoon wilsoni
Clathrozoon wilsoni
Halecium bithecum
Halecium bithecum
Filellum nitidum
Filellum nitidum
Dynamena spinea
Dynamena spinea
Candelabrum australe
Candelabrum australe
Corymorpha rubicincta
Corymorpha rubicincta
Campanulina cliftonia
Campanulina cliftonia
Campanulina elata
Campanulina elata
Antennella singulata
Antennella singulata
Filellum serratum
Filellum serratum
Halecium corpulatum
Halecium corpulatum
Dicoryne annulata von
Dicoryne annulata von
Acryptolaria gracilis
Acryptolaria gracilis
Halecium fragile
Halecium fragile
Gonaxia tasmanica
Gonaxia tasmanica
Hydrodendron daidalum
Hydrodendron daidalum
Sertularia unguiculata
Sertularia unguiculata
Sertularia macrocarpa
Sertularia macrocarpa
Sertularia maccallumi
Sertularia maccallumi
Sertularia balei
Sertularia balei
Sertularella simplex
Sertularella simplex
Sertularella avrilia
Sertularella avrilia
Sertularella areyi
Sertularella areyi
Salacia obliquanoda
Salacia obliquanoda
Plumularia sulcata
Plumularia sulcata
Plumularia meretricia
Plumularia meretricia
Plumularia goldsteini
Plumularia goldsteini
Plumularia epibracteolosa
Plumularia epibracteolosa
Plumularia australiensis
Plumularia australiensis
Lineolaria spinulosa
Lineolaria spinulosa
Pycnotheca producta
Pycnotheca producta
Halicornopsis elegans
Halicornopsis elegans
Halopteris opposita
Halopteris opposita
Halopteris glutinosa
Halopteris glutinosa
Halopteris campanula
Halopteris campanula
Hydrodendron blackburni
Hydrodendron blackburni
Hydrodendron australis
Hydrodendron australis
Hydrodendron armatum
Hydrodendron armatum
Orthopyxis australis
Orthopyxis australis
Macrorhynchia mulderi
Macrorhynchia mulderi
Parascyphus simplex
Parascyphus simplex
Sertularia mertoni
Sertularia mertoni
Salacia farquhari
Salacia farquhari
Plumularia setaceoides
Plumularia setaceoides
Plumularia crateriformis
Plumularia crateriformis
Plumularia angusta
Plumularia angusta
Pycnotheca mirabilis
Pycnotheca mirabilis
Hebella furax
Hebella furax
Halecium luteum
Halecium luteum
Orthopyxis integra
Orthopyxis integra
Rosalinda marlina
Rosalinda marlina
Merona operculata
Merona operculata
Hydractinia betkensis
Hydractinia betkensis
Ralpharia magnifica
Ralpharia magnifica
Hybocodon cryptus
Hybocodon cryptus
Ralpharia coccinea
Ralpharia coccinea
Lineolaria flexuosa
Lineolaria flexuosa
Mitrocomium alcoicum
Mitrocomium alcoicum
Silicularia undulata
Silicularia undulata
Halopteris everta
Halopteris everta
Halopteris diaphana
Halopteris diaphana
Halecium pearsonenese
Halecium pearsonenese
Halecium nanum
Halecium nanum
Orthopyxis crenata
Orthopyxis crenata
Macrorhynchia filamentosa
Macrorhynchia filamentosa
Ralpharia rosetta
Ralpharia rosetta
Sertularia trigonostoma
Sertularia trigonostoma
Sertularella quadridens
Sertularella quadridens
Sertularella diaphana
Sertularella diaphana
Sertularella decipiens
Sertularella decipiens
Salacia tetracythara
Salacia tetracythara
Salacia sinuosa
Salacia sinuosa
Salacia hexodon
Salacia hexodon
Salacia flavidula
Salacia flavidula
Salacia bidentata
Salacia bidentata
Salacia alata
Salacia alata
Idiellana pristis
Idiellana pristis
Idiellana lepida
Idiellana lepida
Polyplumaria cornuta
Polyplumaria cornuta
Polyplumaria bedoti
Polyplumaria bedoti
Plumularia tubacarpa
Plumularia tubacarpa
Plumularia badia
Plumularia badia
Nemertesia cylindrica
Nemertesia cylindrica
Hebella scandens
Hebella scandens
Hebella costata
Hebella costata
Halopteris plagiocampa
Halopteris plagiocampa
Hydrodendron dichotomum
Hydrodendron dichotomum
Halecium spatulum
Halecium spatulum
Macrorhynchia quadriarmata
Macrorhynchia quadriarmata
Hydroid
Macrorhynchia phoenicea
Macrorhynchia ambigua
Macrorhynchia ambigua
Halecium sessile
Halecium sessile
Obelia angulosa
Obelia angulosa
Lytocarpia brevirostris
Lytocarpia brevirostris
Hincksella cylindrica
Hincksella cylindrica
Lafoea annulata
Lafoea annulata
Halecium tenellum
Halecium tenellum
Halecium ralphae
Halecium ralphae
Orthopyxis angulata
Orthopyxis angulata
Orthopyxis crenataformis
Orthopyxis crenataformis
Halecium tabulatum
Halecium tabulatum
Hebella dyssymetra
Hebella dyssymetra
Monotheca togata
Monotheca togata
Plumularia spinulosa
Plumularia spinulosa
Plumularia obliqua
Plumularia obliqua
Plumularia flexuosa
Plumularia flexuosa
Monotheca australis
Monotheca australis
Plumularia hyalina
Plumularia hyalina
Lytocarpia delicatula
Lytocarpia delicatula
Lobataria newtoni
Lobataria newtoni
Hydranthea margarica
Hydranthea margarica
Hebella albida
Hebella albida
Macrorhynchia whiteleggei
Macrorhynchia whiteleggei
Monostaechas quadridens
Monostaechas quadridens
Sertularella mytila
Sertularella mytila
Obelia spongicola
Obelia spongicola
Monotheca amphibola
Monotheca amphibola
Plumularia pulchella
Plumularia pulchella
Plumularia fragilia
Plumularia fragilia
Sertularella vervoorti
Sertularella vervoorti
Lytocarpia lepida
Lytocarpia lepida
Solanderia fusca
Solanderia fusca
Synthecium subventricosum
Synthecium subventricosum
Synthecium dentigerum
Synthecium dentigerum
Symplectoscyphus subdichotomus
Symplectoscyphus subdichotomus
Symplectoscyphus rostratus
Symplectoscyphus rostratus
Symplectoscyphus pygmaeus
Symplectoscyphus pygmaeus
Symplectoscyphus neglectus
Symplectoscyphus neglectus
Symplectoscyphus macrothecus
Symplectoscyphus macrothecus
Symplectoscyphus longithecus
Symplectoscyphus longithecus
Symplectoscyphus indivisus
Symplectoscyphus indivisus
Symplectoscyphus epizoicus
Symplectoscyphus epizoicus
Stereotheca elongata
Stereotheca elongata
Zygophylax antipathes
Zygophylax antipathes
Thyroscyphus marginatus
Thyroscyphus marginatus
Synthecium patulum
Synthecium patulum
Zyzzyzus spongicolus
Zyzzyzus spongicolus
Thyroscyphus macrocyttarus
Thyroscyphus macrocyttarus
Thyroscyphus fruticosus
Thyroscyphus fruticosus
Synthecium orthogonium
Synthecium orthogonium
Synthecium campylocarpum
Synthecium campylocarpum
Thuiaria plumularioides
Thuiaria plumularioides
Thuiaria operculata
Thuiaria operculata
Ventromma irregularis
Ventromma irregularis
Thyroscyphus torresii
Thyroscyphus torresii
Symplectoscyphus sibogae
Symplectoscyphus sibogae
Symplectoscyphus paulensis
Symplectoscyphus paulensis
Staurotheca vanhoeffeni
Staurotheca vanhoeffeni
Zygophylax sagamiensis
Zygophylax sagamiensis
Tripoma arboreum
Tripoma arboreum
Symplectoscyphus tuba
Symplectoscyphus tuba
Thyroscyphoides sympodialis
Thyroscyphoides sympodialis
Stylocoronella riedli
Stylocoronella riedli
Solanderia misakinensis
Solanderia misakinensis
Ventromma bellarensis
Ventromma bellarensis
Staurocladia haswelli
Staurocladia haswelli
Stegolaria geniculata
Stegolaria geniculata
Zygophylax sibogae
Zygophylax sibogae
Symplectoscyphus epizooticus
Symplectoscyphus epizooticus
Tasmanaria aegis
Tasmanaria aegis
Tasmanaria monticola
Tasmanaria monticola
Halecium dyssymetrum
Halecium dyssymetrum
Photos:
- 1. (c) Adrian James Testa, some rights reserved (CC BY-NC-SA)
- 2. (c) Bernard Picton, some rights reserved (CC BY-NC-SA)
- 3. (c) Peter Southwood, some rights reserved (CC BY-SA)
- 4. Parent Géry, no known copyright restrictions (public domain)
- 5. (c) Peter Schuchert, some rights reserved (CC BY-NC-SA)
- 6. (c) 2013 Moorea Biocode, some rights reserved (CC BY-NC-SA)
- 7. Scan by the Internet Archive, no known copyright restrictions (public domain)
- 8. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
- 9. (c) licensed media from BioImages DwCA without owner, some rights reserved (CC BY-NC-SA)
- 10. (c) Vishal Bhave, some rights reserved (CC BY-NC-SA)
- 11. Dr. Anthony R. Picciolo, NOAA NODC, no known copyright restrictions (public domain)
- 12. (c) Collins, Allen G., some rights reserved (CC BY-NC-SA)
- 13. (c) Allen Collins, some rights reserved (CC BY-NC-SA)
- 14. (c) De Blauwe, Hans, some rights reserved (CC BY-NC-SA)
- 15. (c) Schuchert, Peter, some rights reserved (CC BY-NC-SA)
- 16. (c) Gustav Paulay, some rights reserved (CC BY-NC-SA)
Compiled by Robin Wilson, some rights reserved (CC BY-SA)
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