Semaeostomeae

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  • Order Semaeostomeae L. Agassiz 1862
  • Characteristics of the Order (from Kramp 1961)

Scyphomedusae with umbrella margin cleft into lappets; without a coronal furrow and without pedalia; with (or without) hollow marginal tentacles and with marginal rhopalia; with a single central mouth opening provided with four large curtain-like or gelatinous lips; with gonads in sac-like folds of the endodermal wall of the subumbrella.

Semaeostomeae Species

Based largely on Kramp (1961), Mianzan & Cornelius (1999)

Collections: M = morphology, D = DNA, Type = *

Key:

Family (3)

  • Genus (19)
    • Species (63)


Cyaneidae L. Agassiz 1862

  • Cyanea Péron & Lesueur 1810 
    • annasethe (Haeckel 1880) - Tasmania (D,M), Victoria (D,M)
    • annaskala von Lendenfeld 1884
    • buitendijki Stiasny 1919
    • capillata (Linné 1758) * - Alaska (D), Norway (D)
    • citrea (Kishinouye 1910)
    • ferruginea Eschscholtz 1829
    • fulva L. Agassiz 1862
    • lamarcki Péron & Lesueur 1810
    • mjöbergi Stiasny 1921
    • muellerianthe Haacke 1887
    • nozakii Kishinouye 1891
    • postelsi Brandt 1838
    • purpurea Kishinouye 1910
    • rosea Quoy & Gaimard 1824 - New South Wales(D,M)
  • Desmonema L. Agassiz 1862
    • chierchianum Vanhöffen 1888
    • comatum Larson 1986
    • gaudichaudi (Lesson 1832) *
    • glaciale Larson 1986
  • Drymonema Haeckel 1880
    • dalmatinum Haeckel 1880 *
    • gorgo F. Müller 1883


Pelagiidae Gegenbaur 1856

  • Chrysaora Péron & Lesueur 1810
    • achlyos Martin, Gershwin, Burnett, Cargo & Bloom 1997
    • africana (Vanhöffen 1902)
    • blossevillei Lesson 1830
    • colorata (Russell 1964)
    • depressa (Kishinouye 1902)
    • fulgida (Reynaud 1830)
    • fuscescens Brandt 1835
    • helvola Brandt 1838
    • hysoscella (Linné 1766) *
    • lactea Eschscholtz 1829
    • melanaster Brandt 1838
    • pacifica (Goette 1886)
    • plocamia (Lesson 1832)
    • quinquecirrha (Desor 1848)
  • Pelagia Péron & Lesueur 1810
    • noctiluca (Forskål 1775) *
  • Sanderia Goette 1886
    • malayensis Goette 1886



Chrysaora colorata (Russell 1964) Monterey Bay Aquarium
Chrysaora fuscescens Brandt 1835 Monterey Bay Aquarium
Chrysaora lactea Eschscholtz 1829 Cananeia county, Brazil
Chrysaora quinquecirrha (Desor 1848) Bahrain
Pelagia noctiluca (Forskål 1775) New Zealand

More Pelagia images here.



Ulmaridae Haeckel 1879

  • Aurelia Péron & Lesueur 1810
    • aurita (Linné 1758) * - N. Europe (D), NE USA (D)
    • coerulea von Lendenfeld 1884
    • colpota Brandt 1838
    • labiata Chamisso & Eysenhardt 1821
    • limbata (Brandt 1835) - molecular "LIM"
    • maldivensis Bigelow 1904
    • solida Browne 1905
    • sp. 1 (morphological, molecular) - California (D), France (D), Japan (D), New South Wales (D), Perth (D)
    • sp. 2 (molecular)
    • sp. 3 (morphological, molecular)
    • sp. 4 (morphological, molecular)
    • sp. 5 (molecular)
    • sp. 6 (morphological, molecular)
    • sp. 7 (molecular)
    • sp. 8 (molecular)
    • sp. 9 (molecular)
    • sp. 10 (molecular) cf. limbata
    • sp. 11 (molecular)



Aurelia sp.1 Long Beach, California, USA
Aurelia sp.3 Lake Tketau, Mecherchar, Palau
Aurelia sp.4 Big Jellyfish Lake, Koror, Palau
Aurelia sp.11 Kwajalein, Marshall Islands


  • Aurosa Haeckel 1880
    • furcata Haeckel 1880 *
  • Deepstaria Russell 1967
    • enigmatica Russell 1967 *
    • reticulum Larson, Madin & Harbison, 1988
  • Discomedusa Claus 1877
    • Lobata Claus 1877 *
    • philippina Mayer 1910
    • sp. Moore 1949
  • Diplulmaris Maas 1908
    • antarctica Maas 1908 *
    • malayensis Stiasny 1935
  • Floresca Haeckel 1880
    • parthenia Haeckel 1880 *
  • Parumbrosa Kishinouye 1910
    • polylobata Kishinouye 1910 *
  • Phacellophora Brandt 1835
    • camtschatica Brandt 1838 *
  • Poralia Vanhöffen 1902
    • rufescens Vanhöffen 1902 *
  • Stellamedusa Raskoff and Matsumoto 2004
    • ventana Raskoff and Matsumoto 2004 *
  • Sthenonia Eschscholtz 1829
    • albida Eschscholtz 1829 *
  • Stygiomedusa Russell 1959
  • Tiburonia Matsumoto, Raskoff and Lindsay 2003
    • granrojo Matsumoto, Raskoff and Lindsay 2003 *
  • Ulmaris Haeckel 1880
    • prototypus Haeckel 1880 *
    • snelliusi Stiasny 1935 - Please see Zoo Bank [1] for more information.


Phacellophora camtschatica Brandt 1838
Stellamedusa ventana Raskoff and Matsumoto 2004
More Stellamedusa images here. See also MBARI S. ventana for more information.
Tiburonia granrojo Matsumoto, Raskoff and Lindsay 2003
Tiburonia granrojo Matsumoto, Raskoff and Lindsay 2003
Photographs courtesy of Monterey Bay Aquarium Research Institute


Compiled by M.N Dawson, G. Jarms, A.C. Morandini, F. Pagès. Update pending.