Abstract
An unusual new species of narcomedusa from Tasmania is described. It differs from all other species of narcomedusae in having two whorls of tentacles, as well as a beveled opening in the apical surface containing peculiar ‘sky-scraper-like’ protruding structures, which we have interpreted as gonads. We place this unusual form in its own family, the Csiromedusidae fam. nov. Knowledge about its basic biology and ecology is currently lacking. We provide a comparative table of features of the families of Narcomedusae, as well as a summary of characters observed in known juvenile and larval stages of species of Narcomedusae.References
Berrill, N.J. (1950) Development and medusa-bud formation in the Hydromedusae. Quarterly Review of Biology, 25, 293–316, figs 1–10.
Bigelow, H.B. (1909) Reports on the scientific results of the expedition to the eastern tropical Pacific, in charge of Alexander Agassiz, by the U.S. Fish Commission Steamer "Albatross" from Oct. 1904 to March 1905, Lieut. Commander L.M. Garrett, U.S.N., commanding. XVI. The Medusae. Memoirs of the Museum of Comparative Zoology, Harvard, 37, 1–243, plates 1–48.
Bigelow, R.P. (1908) A new Narcomedusa from the North Atlantic. Biological Bulletin, 16, 80–82.
Blackburn, M. (1955) Trachymedusae and Narcomedusae of south-east Australian waters. Australian Journal of Marine and Freshwater Research, 6, 410–428.
Bouillon, J. (1987) Considérations sur le développement des Narcoméduses et sur leur position phylogénétique. Indo-Malayan Zoology, 4, 189–278.
Bouillon, J. & Boero, F. (2000) Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. Thalassia Salentina, 24, 47–296.
Brooks, W.K. (1886) The origin of metagenesis among the hydro-medusae. Johns Hopkins University Circulars, 5, 86–88.
Browne, E.T. (1900) The fauna and flora of Valencia harbour on the west coast of Ireland. I. The pelagic fauna (1895–98). II. The medusae (1895–98). Proceedings of the Royal Irish Academy, 3rd ser., 5, 667–736, plates XX–XXI.
Browne, E.T. (1906) Biscayan plankton. Part IX. The medusae. Transactions of the Linnean Society of London (Zoology), 10, 163–181, plates 13.
Damas, D. (1936) Une Narcomeduse parasite d'un ver polychaete. Mémoires du Musée Royal d'Histoire Naturelle de Belgique, Ser. 3, 1177–1197.
Dawson, M.N. (2005a) Incipient speciation of Catostylus mosaicus (Scyphozoa, Rhizostomeae, Catostylidae), phylogeography, and biogeography in southeastern Australia. Journal of Biogeography, 32, 515–533.
Dawson, M.N. (2005b) Cyanea capillata is not a cosmopolitan jellyfish: morphological and molecular evidence for C. annaskala and C. rosea (Scyphozoa : Semaeostomeae : Cyaneidae) in south-eastern Australia. Invertebrate Systematics, 19, 361–370.
Dawson, M.N. & Jacobs, D.K. (2001) Molecular evidence for cryptic species of Aurelia aurita (Cnidaria, Scyphozoa). Biological Bulletin (Woods Hole), 200, 92–96.
Eschscholtz, F. (1829) System der Acalephen. Eine ausführliche Beschreibung aller medusenartigen Strahltiere. F. Dummlert, Berlin, 190 pp., 16 plates.
Fewkes, J.W. (1884) Notes on medusae. American Naturalist, 18, 300–305.
Flynn, T.T. (1927) Two hydromedusoid records for Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 1926, 91.
Gegenbaur, C. (1856) Versuch eines Systemes der Medusen, mit Beschreibung neuer oder wenig gekannter Formen; zugleich ein Beitrag zur Kenntniss der Fauna des Mittelmeeres. Zeitschrift für wissenschaftliche Zoologie, 8, 202–273, plates vii–x.
Gershwin, L. (2001) Systematics and biogeography of the jellyfish Aurelia labiata (Cnidaria: Scyphozoa). Biological Bulletin (Woods Hole), 201, 104–119.
Haeckel, E. (1864) Beschreibung neuer craspedoten Medusen aus dem Golfe von Nizza. Jenaische Zeitschrift für Naturwissenschaft, 1, 325–342.
Haeckel, E. (1879) Das System der Medusen: Erster Theil einer Monographie der Medusen. G. Fischer, Jena, 360 pp., atlas of 80 plates.
Hamond, R. (1974) Some medusae and other Hydrozoa from Indian Ocean and Bass-Strait. Journal of Natural History, 8, 549–561.
Hanitzsch, P. (1921) Über die Eigenart und Entstehung der Vermehrungsweise durch aborale und orale Proliferation bei Narcopolypen und Scyphopolypen. Zoologische Jahrbücher, Abteilung für Anatomie und Ontogenie der Tiere, 42, 363–410.
Keferstein, W. & Ehlers, E. (1861) Zoologische Beiträge gesammelt im winter 1859–1860 in Neapel und Messina. V. Ueber einige in Neapel und Messina beobachtete Quallen. Seite 78–95. Tafel XIII–XIV. Wilhelm Engelmann, Leipzig.
Kölliker, A. (1853) In: Gegenbaur, Kölliker, & Müller, 1853: Bericht uber einige im Herbste 1852 in Messina angestellte vergleichende-anastomische Untersuchungen. Zeitschrift für wissenschaftliche Zoologie, 4, 306–315 (in all 299–370).
Korotneff, A. (1891) Zoologische paradoxen. Zeitschrift für wissenschaftliche Zoologie, 51, 613–628, pls. 30–32.
Kramp, P.L. (1947) Medusae. Part III. Trachylina and Scyphozoa, with zoogeographical remarks on all the medusae of the North Atlantic. Danish Ingolf-Expedition, 5, 1–66, plates I–VI.
Kramp, P.L. (1948) Trachymedusae and Narcomedusae from the "Michael Sars" North Atlantic deep-sea expedition 1910 with additions on Anthomedusae, Leptomedusae and Scyphomedusae. Report on the Scientific Results of the "Michael Sars" North Atlantic Deep-Sea Expedition 1910, 5, 1–24, 1 plate.
Kramp, P.L. (1957) Hydromedusae from the Discovery Collections. 'Discovery' Report, 29, 1–128, plates i–vii.
Kramp, P.L. (1961) Synopsis of the medusae of the world. Journal of the Marine Biological Association of the United Kingdom, 40, 1–469.
Mayer, A.G. (1910) Medusae of the World. Vol. 1 and 2, the Hydromedusae. Vol. 3, The Scyphomedusae. Carnegie Institution, Washington, D.C., 735 pages, 76 plates.
McCrady, J. (1859) Gymnophthalmata of Charleston Harbour. Proceedings of the Elliott Society of Natural History of Charleston, South Carolina, 1, 103–104 (1857); 105–221, plates 8–12 (1859).
Metschnikoff, E. (1874) Studien über die entwicklung der Medusen und Siphonophoren. Zeitschrift für wissenschaftliche Zoologie, 4, 15–83, tafeln 2–12.
Metschnikoff, E. (1881) Vergleichend-embryologische studien. Zeitschrift für wissenschaftliche Zoologie, 36, 433–444, plate xxviii.
Metschnikoff, E. (1886a) Embryologische Studien an Medusen : Ein Beitrag zur Genealogie der Primitive Organe. Alfred Hölder, Wien, pages 45–71, Atlas Figures 1–12.
Metschnikoff, E. (1886b) Medusologische Mittheilungen. Arbeiten aus den Zoologischen Instituten der Universität Wien und der Zoologischen Station in Triest, 6, 237–266, plates 1–19.
Metschnikoff, E. & Metschnikoff, L. (1871) Matériaux pour l'etude des Siphonophores et les méduses. Bulletin de la Société impériale des naturalistes de Moscou, 8, 295–370. [Not seen].
Müller, F. (1861) Cunina kollikeri n. sp. Beitrag zur naturgeschichte der Aeginiden. Archiv für Naturgeschichte, 27, 42–52, plate 4.
Owen, R. (1843) Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal College of Surgeons, in 1843 [1 aufl.]. Longman, Brown, Green, and Longmans, London, 392 pages.
Petersen, K.W. (1979) Development of Coloniality in Hydrozoa. In: Larwood, G. & Rosen, B.R. (Eds.) Biology and systematics of colonial organisms. Academic Press, London and New York, pages 105–139.
Quoy, J.R.C. & Gaimard, J.P. (1833) Zoophytes. In: d'Urville, J.D. (Ed.) Voyage de decouvertes de l'Astrolabe, execute par ordre du roi, pendant les annees 1826-1827-1828-1829, sous le commandment de M.J. Dumont D'Urville, Zoologie. J. Tastu, Paris, pages 1–390, plus Atlas.
Russell, F.S. (1953) The Medusae of the British Isles. Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae and Narcomedusae. Cambridge University Press, Cambridge, 530 pages.
Schroth, W., Jarms, G., Streit, B. & Schierwater, B. (2002) Speciation and phylogeography in the cosmopolitan marine moon jelly, Aurelia sp. BMC Evolutionary Biology, 2, 1–10.
Stschelkanowzew, J. (1906) Die entstehung von Cunina proboscidea Metschn. Mittheilungen aus der Zoologischen Station zu Neapel 17, 433–486, plates 29–30.
Thiel, M.E. (1936) Systematische studien zu den Trachylinae der Meteorexpedition. Zoologische Jahrbucher : Abteilung fur Systematik, Geographie und Biologie der Tiere, 69, 1–92.
Vanhöffen, E. (1908) Die Narcomedusen. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899, 19, 41–74, plates 7–9.
Verrill, A.E. (1865) Classification of polyps (extract condensed from a Synopsis of the Polypi of the North Pacific Exploring Expedition, under Captains Ringgold and Rodgers, U.S.N.). Proceedings of the Essex Institute, 4, 145–152, 181–196.
Watson, J.E. (1975) Hydroids of Bruny Island, southern Tasmania. Transactions of the Royal Society of South Australia, 99, 157–176.
Watson, J.E. & Vervoort, W. (2001) The hydroid fauna of Tasmanian seamounts. Zoologische Verhandelingen Leiden, 334, 151–187, figs. 1–15.
Will, J.G.F. (1844) Horae Tergestinae oder Beschreibung und Anatomie der im Herbste 1843 bei Triest beobachteten Akalephen. Leipzig, 1–86, 2 plates.
Wilson, H.V. (1887) The structure of Cunoctantha octonaria in the adult and larval stages. Studies from the Biological Laboratory Johns Hopkins University, 4, 95–108, plates 1–3.
Woltereck, D. (1905) Bemerkungen zur Entwicklung der Narcomedusen und Siphonophoren. Verhandlungen der Deutschen Zoologischen Gesellschaft, 15, 106–122.