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File:Boletin de la Sociedad de Biología de Concepción (1981) (20199801560).jpg

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Bruccella frigida

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Title: Boletin de la Sociedad de Biología de Concepción Identifier: boletindelasocie5253198182soci Year: 1927 (1920s) Authors: Sociedad de Biología de Concepción; Sociedad de Bioquímica de Concepción; Universidad de Concepción Subjects: Sociedad de Biología de Concepción; Biology; Biology Publisher: Concepción [Universidad de Concepción] Contributing Library: Smithsonian Libraries Digitizing Sponsor: Biodiversity Heritage Library


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Text Appearing Before Image: Bol. Soc. Biol. de Concepción, Tomo LII, 1981, pp. 245-248. 245 EPIBIOSIS DE TURBELARIOS SO- BRE BUCCELLA frígida (CUSH- MAN) (EORAMINIFERA PROTOZO A). Arcadio Zapata M. y Sylvia Várela M.* Resumen Se da a conocer la presencia de cáp- sulas ovígeras de turbelarios sobre Buc- cella frígida (Cushman) (Protozoa, Foraminifera). Abstract The presence of marine turbellaria egg capsules on specimens of Bucce- lla frígida (Cushman) (Protozoa, Foraminifera) is reported. Existen algunos antecedentes de diver- sos epibiontes que viven sobre forami- níferos. En 1839, Ehrenberg encontró sobre Geoponus (= Elphídium) y Nonío- nína (= Ninion), cocones de color ama- rillo que estaban adheridos mediante un pedúnculo. Este autor interpretó a los cocones como ovisacos, ya que con- sideró que los foraminíferos se repro- ducían por huevos. Posteriormente, Sdiultze en 1854 recolectó ejemplares de Geoponus stella borealis (= Elphidium), algunos de los cuales tenían adherido el ciliado Cothurnia. Jepps (1942) da cuenta de cocones encontrados vivos so- bre los caparazones de Polystomella (= Elphidium). Esto le permitió culti- varlos y observar la totalidad del desa- rrollo de los cocones comprobando que ellos pertenecían a gusanos marinos, tur- belarios. Trabajando material recolecta- do en Puerto Deseado (Argentina), Boltovskoy (1963) encontró los mismos cocones adheridos en numerosos ejem- plares de Qiiinqueloculina seminulum y en menor grado sobre Elphidium ma- cellum; la descripción y análisis se ba- saron en los antecedentes y dibujos da dos por Jepps. No obstante discrepa de esta autora, quien los considera pará- sitos, señalando que estos cocones cons- tituyen un caso típico de epibiósis, u lizando las paredes de los foraminíferos. sólo como sustrato de adhesión.

Text Appearing After Image: Fig. 1.- Ejemplar de Buccella frígida (Cushman) con cocones de turbelarios. •Universidad de Chile, Sede Osorno.


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Source Image from page 252 of "Boletin de la Sociedad de Biología de Concepción" (1927)
Author Internet Archive Book Images
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