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Gershwin, L.-A.; Zeidler, W.; Davie, P. J. F. (2010). Medusae (Cnidaria) of Moreton Bay, Queensland, Australia. Memoirs of the Queensland Museum. 54: 47-108.
166147
Gershwin, L.-A.; Zeidler, W.; Davie, P. J. F.
2010
Medusae (Cnidaria) of Moreton Bay, Queensland, Australia
Memoirs of the Queensland Museum
54: 47-108
Publication
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The medusae (Scyphozoa, Cubozoa, Hydrozoa, including Siphonophora) of Moreton Bay are reviewed based on recent collections and literature records. Seven new species are described. Euphysora juliephillipsi sp. nov. differs from its congeners in having a long narrow apical projection with complete apical canal, moniliform main tentacle with a terminal knob, opposite tentacle longer than the other two, and lacking aboral papillae. Euphysa scintillans sp. nov. is distinct in having a pear-shaped body distinctly thickened aborally, one long main tentacle with 20-30 abaxial nematocyst clusters and an enormous globular bulb, and three rudimentary tentacles. Aequorea kurangai sp. nov. differs from its northern counterpart A. australis in having a fixed number of radial canals (16) but multiple tentacles per canal. Cirrholovenia violacea sp. nov. is closest to C. polynema but differs in having more statocysts with more concretions, fewer tentacles and cirri, and a gelatinous peduncle. Orchistoma mauropoda sp. nov. is most similar to O. collapsa but differs in maturing at half the size, having a more rounded body, and ungrouped radial canals. Cyanea barkeri sp. nov. is most similar to C. nozakii but differs in having T-shaped muscle septa, with resultant different sizes of muscle bands, the tentacle groups are considerably longer than wide and have well over 300 tentacles per group, and it lacks gastro-vascular intrusions into the muscles. Cassiopea maremetens sp. nov. is most similar to C. ndrosia but differs in having four square lappets per paramere, few to no vesicles between the mouths, lack of conspicuous exumbrellar colouration, and the oral arms terminate in a bifurcation. Numerous new distribution records are presented for Moreton Bay, as well as for other states and regions. The following species are revalidated and redescribed based on examination of new material: Turritopsis lata von Lendenfeld, 1884; Proboscidactyla tropica Browne, 1905; Eutima australis Mayer, 1915; Physalia utriculus (Gmelin, 1791); and Crambione cookii Mayer, 1910. The nomenclature of Physalia physalis sensus lato is discussed; a simulteous neotype is erected for Physalia utriculus, and Physalia meglista Peron & Lesueur, 1807.
Australia
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