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Abstract:

Meridiosignum undulatum n. sp. and M. disparitergum n. sp. are described from off the Río de la Plata estuary. These two new species are easily distinguished from other members of the genus Meridiosignum in having the lateral margins of pereonites 2 and 3 bilobed (the concavity is much more pronounced in M. disparitergum), and those of pereonite 4 produced into a single process. The terminal male instar of Meridiosignum menziesi (Winkler, 1994) is described, and this species is herein reported from the Beagle Channel and Puerto Deseado. All the species currently placed in Meridiosignum were found in shallow waters in the southern hemisphere, M. undulatum n. sp. and M. disparitergum n. sp. being the species recorded at the greatest depth (129 m). © 2009 Taylor & Francis.

Registro:

Documento: Artículo
Título:On the South American species of the genus Meridiosignum (Crustacea: Isopoda: Asellota: Paramunnidae)
Autor:Doti, B.L.; Roccatagliata, D.
Filiación:Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA, Buenos Aires, Argentina
Palabras clave:Isopoda; Meridiosignum; New species; South Atlantic Ocean; Taxonomy; isopod; male; new species; shallow water; Southern Hemisphere; taxonomy; Argentina; Beagle Channel; Puerto Deseado; Rio de la Plata; Santa Cruz [Argentina]; South America; Asellota; Crustacea; Isopoda; Paramunnidae
Año:2009
Volumen:43
Número:17-18
Página de inicio:1115
Página de fin:1138
DOI: http://dx.doi.org/10.1080/00222930902781046
Título revista:Journal of Natural History
Título revista abreviado:J. Nat. Hist.
ISSN:00222933
CODEN:JNAHA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222933_v43_n17-18_p1115_Doti

Referencias:

  • Brandt, A., Redescriptions of Paramunna lunata Hale, 1937 and Pleurosignum chilense Menzies, 1962 (Crustacea, Isopoda, Paramunnidae) (1999) Mitt Hamb Zool Mus Inst, 96, pp. 129-139
  • Doti, B.L., Roccatagliata, D., Zelaya, D.G., The shallow-water Asellota (Crustacea: Isopoda) from the Beagle Channel: Preliminary taxonomic and zoogeographical results (2005) Sci Mar, 69 (2 SUPPL), pp. 159-166
  • Just, J., Wilson, G.D.F., Revision of the Paramunna complex (Isopoda: Asellota: Paramunnidae) (2004) Invert Syst, 18, pp. 377-466
  • Just, J., Wilson, G.D.F., Revision of southern hemisphere Austronanus Hodgson, 1910, with two new genera and five new species of Paramunnidae (Crustacea: Isopoda: Asellota) (2006) Zootaxa, 1111, pp. 21-58
  • Just, J., Wilson, G.D.F., Revision of Austrosignum Hodgson and Munnogonium George and Strömberg (Paramunnidae) with description of eight new genera and two new species, (Crustacea: Isopoda: Asellota) Zootaxa, 1515, pp. 1-29
  • Menzies, R.J., The zoogeography, ecology and systematics of the Chilean marine isopods (1962) Lund Univ Årsskrift, N.F., Avd, 257 (11), pp. 1-162
  • Monod, T., Tanaidacés, Isopodes et Amphipodes. Résultats du voyage de la Belgica 1897-1899 (1926) Rapp Sci, Zool, 4, pp. 1-67
  • Nordenstam, A., Marine Isopoda of the families Serolidae, Idotheidae, Pseudidotheidae, Arcturidae, Parasellidae and Stenetriidae mainly from South Atlantic (1933) Furth Zool Results Swed Antarct Exped 1901-1903, (3), pp. 1-284
  • Vivier, F., Provost, C., Direct velocity measurements in the Malvinas Current (1999) J Geophys Res, 104, pp. 21083-21103
  • Wilson, G.D., New insights into the colonization of the deep sea: Systematics and zoogeography of the Munnidae and the Pleurogoniidae comb. nov. (Isopoda: Janiroidea) (1980) J Nat Hist, 14, pp. 215-236
  • Wilson, G.D., The suborder Asellota (1997) Taxonomic Atlas of the Benthic Fauna of the Santa Barbara Basin and Western Santa Barbara Channel, 11, pp. 59-120. , In: Blake JA and Scott PH, editors, The Crustacea part 2. Santa Barbara (CA): Santa Barbara Museum of Natural History
  • Winkler, H., Paramunnidae (Crustacea: Isopoda: Asellota) from the Magellan Strait (1994) Zool J Linn Soc, 110, pp. 243-296

Citas:

---------- APA ----------
Doti, B.L. & Roccatagliata, D. (2009) . On the South American species of the genus Meridiosignum (Crustacea: Isopoda: Asellota: Paramunnidae). Journal of Natural History, 43(17-18), 1115-1138.
http://dx.doi.org/10.1080/00222930902781046
---------- CHICAGO ----------
Doti, B.L., Roccatagliata, D. "On the South American species of the genus Meridiosignum (Crustacea: Isopoda: Asellota: Paramunnidae)" . Journal of Natural History 43, no. 17-18 (2009) : 1115-1138.
http://dx.doi.org/10.1080/00222930902781046
---------- MLA ----------
Doti, B.L., Roccatagliata, D. "On the South American species of the genus Meridiosignum (Crustacea: Isopoda: Asellota: Paramunnidae)" . Journal of Natural History, vol. 43, no. 17-18, 2009, pp. 1115-1138.
http://dx.doi.org/10.1080/00222930902781046
---------- VANCOUVER ----------
Doti, B.L., Roccatagliata, D. On the South American species of the genus Meridiosignum (Crustacea: Isopoda: Asellota: Paramunnidae). J. Nat. Hist. 2009;43(17-18):1115-1138.
http://dx.doi.org/10.1080/00222930902781046