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Actinostephanus haeckeli Kwietniewski, 1897

(photos of Ron DeCloux San Rafael, California: specimens from aquarium)
   
Actinostephanus haeckeli

Actinostephanus haeckeli

Actinostephanus haeckeli

This species resembles a sea star or a brittle star rather than an anemone. Its rather small body is hidden in the sand and only disk with long stingy tentacles is wisible on surface. Actinostephanus haeckeli is the only species of the genus Actinostephanus which, together with Megalactis and Actinodendron belongs to the family Actinodendronidae which members also known as Hell’s fire anemones. In Actinostephanus branches on the tentacles are rather short, conical and without secondary branches - this is a difference from Megalactis and Actinodendron (in both of which secondary branches on the tentacles are much ramified).
Taxonomy:
Phylum Cnidaria
Class Anthozoa
Order Actiniaria

Family Actinodendridae



Species list of sea anemones:
  • Acricoactis brachyacontis
  • Actinernus robustus
  • Actinia equina
  • Actinodendron sp
  • Actinostella bradleyi
  • Actinostephanus haeckeli
  • Actinostola chilensis
  • Actinothoe sphyrodeta
  • Adamsia palliata
  • Aiptasia couchii
  • Aiptasia mutabilis
  • Alicia mirabilis
  • Alicia sansibarensis
  • Allantactis parasitica
  • Amplexidiscus fenestrafer
  • Andresia parthenopea
  • Anemonia alicemartinae
  • Anemonia viridis
  • Antholoba achates
  • Anthopleura elegantissima
  • Anthopleura hermaphroditica
  • Anthopleura orientalis
  • Anthopleura sola
  • Anthopleura xanthogrammica
  • Anthothoe chilensis
  • Armactinia antarctica
  • Artemidactis victrix
  • Aulactinia vancouverensis
  • Aulactinia vladimiri
  • Bathyphellia margaritacea
  • Boloceroides mcmurrichi
  • Boloceropsis platei
  • Bunodactis verrucosa
  • Calliactis polypus
  • Cancrisocia expansa
  • Cereus herpetodes
  • Cereus pedunculatus
  • Cerianthus lloydii
  • Charisea saxicola
  • Cnidopus japonicus
  • Condylactis aurantiaca
  • Condylactis gigantea
  • Corallimorphus karinae
  • Corallimorphus pilatus
  • Corynactis californica
  • Corynactis carnea
  • Corynactis viridis
  • Cribrinopsis albopunctata
  • Cribrinopsis crassa
  • Cribrinopsis fernaldi
  • Cribrinopsis olegi
  • Cribrinopsis rubens
  • Cribrinopsis similis
  • Cryptodendrum adhaesivum
  • Cylista elegans
  • Dactylanthus antarcticus
  • Diadumene lineata
  • Discosoma nummiforme
  • Dofleinia armata
  • Edwardsia inachi
  • Edwardsiella loveni
  • Entacmaea quadricolor
  • Epiactis prolifera
  • Epizoanthus couchii
  • Epizoanthus fiordicus
  • Exaiptasia diaphana
  • Glyphoperidium bursa
  • Gonactinia prolifera
  • Gyractis octoradiata
  • Halcampa arctica
  • Halcampoides sp
  • Halcampoides mediterranea
  • Halcurias pilatus
  • Heteractis aurora
  • Heterodactyla hemprichii
  • Hormathia lacunifera
  • Hormathia nodosa
  • Hormathia pacifica
  • Hormathia pectinata
  • Hormosoma scotti
  • Isaurus tuberculatus
  • Isoparactis fabiani
  • Isoparactis fionae
  • Isosicyonis alba
  • Korsaranthus natalensis
  • Liponema brevicorne
  • Macrodactyla doreensis
  • Megacorynactis giganteus
  • Megalactis griffithsi
  • Mesozoanthus fossii
  • Metridium farcimen
  • Metridium lobatum
  • Metridium senile
  • Metridium senile fimbriatum
  • Nemanthus sp
  • Octineon suecicum
  • Ophiodiscus bukini
  • Ophiodiscus moskalevi
  • Oulactis concinnata
  • Pachycerianthus multiplicatus
  • Pachycerianthus solitarius
  • Paracalliactis involvens
  • Paracondylactis sinensis
  • Paraedwardsia malakhovi
  • Paraisanthus tamarae
  • Paranthus niveus
  • Parazoanthus anguicomus
  • Parazoanthus axinellae
  • Parazoanthus elongatus
  • Peachia cylindrica
  • Phellia exlex
  • Phelliactis callicyclus
  • Phyllodiscus semoni
  • Phymactis papillosa
  • Phymanthea pluvia
  • Phymanthus crucifer
  • Phymanthus species
  • Platyzoanthus mussoides
  • Protanthea simplex
  • Protopalythoa mutuki
  • Pseudocorynactis caribbeorum
  • Ptychodactis aleutiensis
  • Ptychodactis patula
  • Radianthus crispa
  • Radianthus magnifica
  • Radianthus malu
  • Rhodactis inchoata
  • Rhodactis indosinensis
  • Ricordea yuma
  • Sagartia lacerata
  • Sagartia undata
  • Sagartiogeton californicus
  • Sagartiogeton rufus
  • Sicyonis denisovi
  • Sicyonis heliodiscus
  • Sicyonis kuznetsovi
  • Spongiactis japonica
  • Stichodactyla gigantea
  • Stichodactyla haddoni
  • Stichodactyla tapetum
  • Stomphia coccinea
  • Tealidium konoplinorum
  • Telmatactis sp
  • Triactis producta
  • Urticina clandestina
  • Urticina columbiana
  • Urticina crassicornis
  • Urticina eques
  • Urticina fecunda
  • Urticina felina
  • Urticina grebelnyi
  • Urticina kurila
  • Urticina mcpeaki
  • Urticina timuri
  • Verrillactis paguri
  • Zaolutus actius

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