Skip to main content Skip to main navigation menu Skip to site footer
Responsive image
Issue: Vol. 1369 No. 1: 30 Nov. 2006
Type: Articles
Published: 2006-11-30
DOI: 10.11646/zootaxa.1369.1.4
Page range: 43–53
Abstract views: 55
PDF downloaded: 1

Sigmaxinella cearense sp. nov. from sandstone reefs off Fortaleza (Ceara State, Brazil) (Desmacellidae, Mycalina, Poecilosclerida, Demospongiae)

Departamento de Engenharia de Pesca, Centro de Ciências Agrárias, Universidade Federal do Ceará, Campus do Pici, 60455-760, Fortaleza, CE, Brazil
Departamento de Engenharia de Pesca, Centro de Ciências Agrárias, Universidade Federal do Ceará, Campus do Pici, 60455-760, Fortaleza, CE, Brazil
Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s/n, 20940-040, Rio de Janeiro, RJ, Brazil
Porifera Sigmaxinella taxonomy Parque Estadual da Pedra da Risca do Meio sponge new species sandstone reef Brazil

Abstract

Sigmaxinella cearense sp. nov. is described here on the basis of a single specimen collected in 2004 at Parque Estadual Marinho da Pedra da Risca do Meio, off Fortaleza, Ceará, Brazil. This is the first record of Sigmaxinella for the Atlantic Ocean. The new species differs from the other eleven Sigmaxinella species by the absence of raphides/microxea, and is the only species with a single category of styles as megascleres (mean length 435µm, mean width 12µm), and sigmas (mean length 21µm). The new species appears to be closer to Australian species of Sigmaxinella, on the basis of overall spicule morphology (mainly dimensions and categories of megascleres). This could be suggestive of a transpacific track for the colonization of the South Atlantic, instead of the shorter Agulhas track.Key words: Sigmaxinella, taxonomy, Parque Estadual da Pedra da Risca do Meio, sponge, new species, sandstone reef, Brazil

References

  1. Brøndsted, H.V. (1924) Papers from Dr. Th. Mortensen’s Pacific Expedition 1914–16. XV. Sponges from the Auckland and Campbell Islands. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kjøbenhav,. 75, 117–167.

    Burton, M (1959) Sponges. Scientific Reports John Murray Expedition, 1933–34, 10 (5), 151–281.

    Carter, H.J.(1883) Contributions to our knowledge of the Spongida. Annals and Magazine of Natural Histor, 12 (71), 308–329, pls. XI–XIV.

    Carter, H.J (1885) Descriptions of sponges from the neighbourhood of Port Phillip Heads, South Australia. Annals and Magazine of Natural History, 16 (94), 277–294, 347–368.

    Dendy, A. (1897) Catalogue of non-calcareous sponges collected by J. Bracebridge Wilson, Esq., M.A., in the neighbourhood of Port Phillip Heads. Part III. Proceedings of the Royal Society of Victoria, new serie, 9, 230–259.

    Hajdu, E. (1994) A phylogenetic interpretation of hamacanthids (Demospongiae, Porifera), with the redescription of Hamacantha popana. Journal of Zoology, 232, 61–77.

    Hajdu, E. & Soest, R.W.M. van (2002) Family Desmacellidae Ridley & Dendy, 1886. In: Hooper, J.N.A. & Soest, R.W.M. van (Eds.), Systema Porifera: A Guide to the Classification of Sponges. Kluwer Academic/Plenum Press, New York, pp. 655–663.

    Hallmann, E.F. (1916–17) A revision of the genera with microscleres included, or provisionally included, in the family Axinellidae; with descriptions of some Australian species. PartI and Part II, issued 1916; Part III issued 1917. Proceedings of the Linnean Society of New South Wales 41 (3–4), 453–491, 495–552, 634–675.

    Hechtel, G.J.(1976) Zoogeography of Brazilian Marine Demospongiae. In: Harrison, F.W. & Cowden, R.R. (Eds.), Aspects of Sponge Biology. Academic Press, New York & London, pp. 237–260. pls. I–xiii.

    Hooper, J.N.A. (1984) Sigmaxinella soelae and Desmacella ithystela, two new desmacellid sponges (Porifera, Axinellida, Desmacellidae) from the northwest shelf of western Australia, with a revision of the family Desmacellidae. Northern Territory Museum of Arts and Sciences Monograph series, 2, 58 pp.

    Jimenez, P.C., Teixeira, G.L.S., Wilke, D.V., Nogueira, N.A.P., Hajdu, E., Pessoa, C., Moraes, M.O. & Lotufo, L.V.C. (2004) Cytotoxic and antimicrobial activities of hydro-methanolic extracts of sponges (Porifera) from Ceará State, Brazil. Arquivos de Ciências do Mar, 37, 85–91.

    Johnson, M.F. (1971) Some Marine Sponges of Northeast of Brazil. Arquivos de Ciências do Mar,11 (2),103–116.

    Kirkpatrick, R. (1903) Descriptions of South Africa sponges. Part III. Marine Investigations South Africa, 2, 233–264, pls V–VI.

    Laubenfels, M.W. de (1956) Preliminary discussion of the sponges of Brazil. Contribuições Avulsas do Instituto Oceanográfico da Universidade de São Paulo, Oceanografia Biológica, 1, 1–4.

    Mothes, B., Hajdu, E., Lerner, C. & Soest, R.W.M. van, (2004) New species of Ulosa and Biemna (Porifera, Demospongiae, Poecilosclerida) from the N-NE Brazilian continental shelf. Bollettino dei Musei e degli Istituti Biologici dell´Universitá di Genova, 68, 477–482.

    Schulze, F.E. (1899) Amerikanische Hexactinelliden, nach dem Materiale der Albatross Expedition. Fischer, Jena,126 pp, pls. I–XIX.

    Silva, B.B. da, Alves, J.J.A., Cavalcanti, E.P. & Dantas, R.T.(2002) Wind energy potential for the prevailing direction in Northeast Brazil. Revista Brasileira de Engenharia Agrícola e Ambiental, 6, 431–439.

    Sluys, R. (1994) Explanations for biogeographic tracks across the Pacific Ocean: a challenge for paleogeography and historical biogeography. Progress in Physical Geography, 18, 42–58.

    Soest, R.W.M. van & Hajdu, E. (2002) Family Mycalidae. Lundbeck, 1905. In: Hooper, J.N.A. & Soest, R.W.M. van (Eds.), Systema Porifera: A Guide to the Classification of Sponges. Kluwer Academic/Plenum Press, New York, pp. 677–699.

    Whitelegge, T. (1906) Sponges. Part 1. Monaxonida, Ridley & Dendy. Scientific Results of the Trawling Expedition of H.M.C.S. “Thetys” off the coast of New South Wales in February and March, 1898. Memoirs of the Australian Museum, 4 (10), 487–515, pls. XLV–XLVI.