Results 1 to 10 of about 94 (51)
REGISTRO DE POLIPLOIDIA EN LA ALMEJA DULCEACUICOLA MUSCULIUM ARGENTINUM (D'ORBIGNY 1835) (SPHAERIIDAE, VENEROIDA) [PDF]
Gayana (Concepción), 2005 La poliploidia es un caracter inusual en moluscos bivalvos. Sin embargo, datos citogeneticos documentados para especies de la subfamilia Sphaeriinae (familia Sphaeriidae) del hemisferio norte muestran numeros cromosomicos que varian desde 36 hasta ca. 247. La almeja dulceacuicola Musculium argentinum (D'Orbigny 1835) presenta un numero cromosomico 2n =
Jara-Seguel, Pedro +2 more
openaire +5 more sources
PRIMER REGISTRO DE MUSCULIUM ARGENTINUM (D'ORBIGNY 1835) (BIVALVIA: SPHAERIIDAE) EN AGUAS CONTINENTALES CHILENAS [PDF]
Gayana (Concepción), 2002 RESUMEN Se comunica el primer registro de Musculium argentinum (d'Orbigny 1835) Bivalvia: Sphaeriidae) sobre la base de especimenes recolectados del fondo fangoso de piletas de engorda de la piscicultura de Lautaro (38° 32' S; 72° 27' W). La descripcion y analisis morfometrico de los ejemplares coinciden con los entregados por Ituarte (1996).
Sobarzo, Cristián +3 more
openaire +4 more sources
Mollusk communities differ between microenvironments within a shallow lake in the Pampean Region, Argentina [PDF]
Ecología Austral, 2018 The aim of this study is to compare the faunistic mollusk composition at a local scale, in different sites within a shallow lake, and to evaluate the relation between abundance and richness of mollusks and the environmental variables.
Eleonor Tietze +2 more
doaj +3 more sources
Life Histories and Dynamics of Stream and Lacustrine Populations ofMusculium argentinum(D'Orbigny, 1842) (Bivalvia: Sphaeriidae) from Southern Chile [PDF]
Malacologia, 2009 ABSTRACT Life histories and population dynamics of two populations of Musculium argentinum, one inhabiting a fluvial environment and the other a lacustrine one, are compared. Musculium argentinum is oviparous, iteroparous, and sequential incubator, reproducing throughout the year.
Santiago Peredo +2 more
openaire +3 more sources
Journal of Shellfish Research, 2010 ABSTRACT The gonadal organization and cytological characteristics of gametogenesis in a population of the freshwater clam Musculium argentinum (d'Orbigny, 1835) are described. Sections of the rather small gonad demonstrate the existence of hermaphroditic specimens, and is composed of hermaphrodite follicles among the intestine coils in the posterior ...
Santiago Peredo +3 more
openaire +4 more sources
Gayana, 2005 La poliploidía es un carácter inusual en moluscos bivalvos. Sin embargo, datos citogenéticos documentados para especies de la subfamilia Sphaeriinae (familia Sphaeriidae) del hemisferio norte muestran números cromosómicos que varían desde 36 hasta ca ...
Pedro Jara-Seguel +2 more
doaj +1 more source
Gayana, 2002 RESUMEN Se comunica el primer registro de Musculium argentinum (d'Orbigny 1835) Bivalvia: Sphaeriidae) sobre la base de especímenes recolectados del fondo fangoso de piletas de engorda de la piscicultura de Lautaro (38° 32' S; 72° 27' W).
Cristián Sobarzo +3 more
doaj +1 more source
Gayana, 2009 Se reporta el rango de distribución actual de Musculium argentinum (D'Orbigny, 1835) y Musculium patagonicum Pilsbry 1911 en Chile sobre la base de colectas realizadas entre lósanos 2002 al 2006.
Esperanza Parada +2 more
doaj +2 more sources
Latin American Malacology. Freshwater Mollusks from Argentina [PDF]
, 2021 Latin American Malacology. Freshwater Mollusks from Argentina. A report and an updated list with comments on the species of freshwater molluscs of Argentina which covers an area of 2 777 815 km 2 is presented.
Darrigran, Gustavo Alberto +3 more
core +3 more sources
Current state of knowledge of freshwater bivalves of Chile [PDF]
, 2012 The current knowledge about the Chilean freshwater bivalves is presented. The bivalves described at present are adscribed to two families: Hyriidae represented only by the genus Diplodon with two species (D. chilensis and D.
core +1 more source