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This study reports the present distribution range of Musculium argentinum (D'Orbigny, 1835) and Musculium patagonicum Pilsbry, 1911 in Chile, from sampling data carried out from 2002 to 2006. Morphological and biometric characteristies of the studied populations show that M. argentinum is discont...


Parada Zamorano, EsperanzaPeredo, SantiagoJara Seguel, Pedro[Registro actual de especies del genero Musculium Link, 1807 (Bivalvia: Sphaeriidae) en Chile con notas sobre morfologia y biometria de sus poblaciones][Present record of species of Musculium Link, 1807 (Bivalvia: Sphaeriidae) in Chile with notes on its morphology and biometry of its populations]Present record of species of Musculium Link, 1807 (Bivalvia: Sphaeriidae) in Chile with notes on its morphology and biometry of its populations

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 follicl...


Peredo, SantiagoJara Seguel, PedroParada Zamorano, EsperanzaVon Brand, Elisabeth[Gonadal organization and gametogenesis in musculium argentinum (Veneroida: Sphaeriidae) from a population in Southern Chile]Gonadal organization and gametogenesis in musculium argentinum (Veneroida: Sphaeriidae) from a population in Southern Chile

This study reports the present distribution range of Musculium argentinum (D'Orbigny, 1835) and Musculium patagonicum Pilsbry, 1911 in Chile, from sampling data carried out from 2002 to 2006. Morphological and biometric characteristics of the studied populations show that M. argentinum is discont...


Parada Zamorano, EsperanzaPeredo, SantiagoJara-Seguel, Pedro[PRESENT RECORD OF SPECIES OF MUSCULIUM LINK, 1807 (BIVALVIA: SPHAERIIDAE) IN CHILE WITH NOTES ON ITS MORPHOLOGY AND BIOMETRY OF ITS POPULATIONS]PRESENT RECORD OF SPECIES OF MUSCULIUM LINK, 1807 (BIVALVIA: SPHAERIIDAE) IN CHILE WITH NOTES ON ITS MORPHOLOGY AND BIOMETRY OF ITS POPULATIONS

Sphaerids have adopted a variety of life strategies that have allowed them to show a cosmopolitan distribution. Among these strategies, those related to reproduction, such as sexuality (hermaphroditism), offspring incubation, fertility, number of generations per year, times an individual reproduc...


Jara-Seguel, PedroPeredo, SantiagoVon Brand, ElisabethParada Zamorano, Esperanza[SOME ASPECTS OF THE REPRODUCTIVE BIOLOGY OF TWO POPULATIONS OF MUSCULIUM ARGENTINUM (D'ORBIGNY, 1835) (BIVALVIA: SPHAERIIDAE) FROM SOUTHERN CHILE]SOME ASPECTS OF THE REPRODUCTIVE BIOLOGY OF TWO POPULATIONS OF MUSCULIUM ARGENTINUM (D'ORBIGNY, 1835) (BIVALVIA: SPHAERIIDAE) FROM SOUTHERN CHILE

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