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Abstract:

Specimens and eggs masses of the gastropod Trochita pileus were collected during a research cruise by bottom trawling at depths between 82 m and 120 m. Adult T. pileus were found attached to such hard substrata as the shells of scallops and oysters. The egg mass of T. pileus is composed of 7-8 transparent, triangular-shaped egg capsules fixed to the substratum with stalks. Four egg masses collected from brooding females, with a total number of 241 embryos, were examined. Trochita pileus is a protandrous hermaphrodite, and histological studies of the male, transitional, and female gonads were performed. The testicular portion of the gonad in both male and transitional individuals and the ovary of the female were studied by histological techniques. Spermatogenesis was observed for males and transitional individuals.

Registro:

Documento: Artículo
Título:Spawn and reproduction of the gastropod Trochita pileus (Lamarck, 1822) from the southwestern Atlantic Ocean
Autor:Torroglosa, M.E.; Giménez, J.
Filiación:Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
Consejo Nacional de Investigaciones Cientificas y Técnicas (CONICET), Argentina
Palabras clave:Caenogastropoda; Calyptraeidae; Egg capsules; Protandry; Reproduction; Caenogastropoda; Calyptraeidae; Gastropoda; Ostreidae; Pectinidae; Trochita
Año:2012
Volumen:55
Número:2
Página de inicio:203
Página de fin:208
DOI: http://dx.doi.org/10.4002/040.055.0202
Título revista:Malacologia
Título revista abreviado:Malacologia
ISSN:00762997
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00762997_v55_n2_p203_Torroglosa.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00762997_v55_n2_p203_Torroglosa

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Citas:

---------- APA ----------
Torroglosa, M.E. & Giménez, J. (2012) . Spawn and reproduction of the gastropod Trochita pileus (Lamarck, 1822) from the southwestern Atlantic Ocean. Malacologia, 55(2), 203-208.
http://dx.doi.org/10.4002/040.055.0202
---------- CHICAGO ----------
Torroglosa, M.E., Giménez, J. "Spawn and reproduction of the gastropod Trochita pileus (Lamarck, 1822) from the southwestern Atlantic Ocean" . Malacologia 55, no. 2 (2012) : 203-208.
http://dx.doi.org/10.4002/040.055.0202
---------- MLA ----------
Torroglosa, M.E., Giménez, J. "Spawn and reproduction of the gastropod Trochita pileus (Lamarck, 1822) from the southwestern Atlantic Ocean" . Malacologia, vol. 55, no. 2, 2012, pp. 203-208.
http://dx.doi.org/10.4002/040.055.0202
---------- VANCOUVER ----------
Torroglosa, M.E., Giménez, J. Spawn and reproduction of the gastropod Trochita pileus (Lamarck, 1822) from the southwestern Atlantic Ocean. Malacologia. 2012;55(2):203-208.
http://dx.doi.org/10.4002/040.055.0202