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Abstract:

A new contribution to the characterization of the salps Ihlea racovitzai and I. magalhanica, particularly their reproductive features, is presented. In both species two oocytes develop in the aggregate form, in the solitary form stolon growth is continuous. Buds grow continuously from the zone of deployment to the distal region without forming blocks or intermediate pieces. In Ihlea racovitzai the exit of the stolon and the resulting release of buds occurs later than in I. magalhanica. In the latter it takes place at the beginning of the strobilation of the stolon, which means an earlier and perhaps more continuous release of buds. The opening for the release of the buds is ventral and anterior to the nucleus in I. magalhanica and ventrolateral and posterior to the nucleus in I. racovitzai. Differences in the pattern of body muscle VII and the atrial retractors in the solitary forms are underlined. © 1990 Springer-Verlag.

Registro:

Documento: Artículo
Título:Stolon development and some aspects of musculature in the characterization of Ihlea racovitzai (van Beneden, 1913) and Ihlea magalhanica (Apstein, 1894) (Tunicata, Thaliacea)
Autor:Esnal, G.B.; Daponte, M.C.
Filiación:Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Año:1990
Volumen:10
Número:4
Página de inicio:265
Página de fin:268
DOI: http://dx.doi.org/10.1007/BF00238424
Título revista:Polar Biology
Título revista abreviado:Polar Biol
ISSN:07224060
CODEN:POBID
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07224060_v10_n4_p265_Esnal

Referencias:

  • Beneden E van (1913) Thaliacea. In: Beneden E van, Selys-Longchamps M de. Tuniciers Caducichordata (Ascidiacés et Thaliacés) Expedition Belgica 1897–99 Zool 3, pp 93–122; Berrill, N.J., Budding and development in Salpa (1950) Journal of Morphology, 87, pp. 553-606
  • Brooks, W.K., The genus Salpa (1893) Mem Biol Lab John Hopkins Univ, 2, pp. 1-303
  • Esnal, G.B., Daponte, M.C., Casareto, B.E., Castro, R.J., Iasis zonaria (Pallas, 1774) (Tunicata, Thaliacea) de las costas argentinas. Reproducción y distribución (1987) Physis (Buenos Aires) Secc A, 45, pp. 69-77
  • Foxton, P., The distribution and life-history of Salpa thompsoni Foxton with observations on a related species, Salpa gerlachei Foxton (1966) Discovery Rep, 34, pp. 1-116
  • Foxton, P., On Ihlea magalhanica (Apstein) (Tunicata, Salpidae) and Ihlea racovitzai (van Beneden) (1971) Discovery Rep, 35, pp. 179-198
  • Heron, A.C., Benham, E.E., Life history parameters as indicators of growth rate in three salp populations (1985) J. Plankton Res, 7, pp. 365-379
  • Johnson, M.E., A quantitative study of the development of the Salpa chain in Salpa fusiformis-runcinata (1910) Univ Calif Publ Zool, 6, pp. 145-176
  • Sawicki, R.M., Development of the stolon in Salpa fusiformis Cuvier and Salpa aspera Chamisso (1966) Discovery Rep, 33, pp. 335-384

Citas:

---------- APA ----------
Esnal, G.B. & Daponte, M.C. (1990) . Stolon development and some aspects of musculature in the characterization of Ihlea racovitzai (van Beneden, 1913) and Ihlea magalhanica (Apstein, 1894) (Tunicata, Thaliacea). Polar Biology, 10(4), 265-268.
http://dx.doi.org/10.1007/BF00238424
---------- CHICAGO ----------
Esnal, G.B., Daponte, M.C. "Stolon development and some aspects of musculature in the characterization of Ihlea racovitzai (van Beneden, 1913) and Ihlea magalhanica (Apstein, 1894) (Tunicata, Thaliacea)" . Polar Biology 10, no. 4 (1990) : 265-268.
http://dx.doi.org/10.1007/BF00238424
---------- MLA ----------
Esnal, G.B., Daponte, M.C. "Stolon development and some aspects of musculature in the characterization of Ihlea racovitzai (van Beneden, 1913) and Ihlea magalhanica (Apstein, 1894) (Tunicata, Thaliacea)" . Polar Biology, vol. 10, no. 4, 1990, pp. 265-268.
http://dx.doi.org/10.1007/BF00238424
---------- VANCOUVER ----------
Esnal, G.B., Daponte, M.C. Stolon development and some aspects of musculature in the characterization of Ihlea racovitzai (van Beneden, 1913) and Ihlea magalhanica (Apstein, 1894) (Tunicata, Thaliacea). Polar Biol. 1990;10(4):265-268.
http://dx.doi.org/10.1007/BF00238424