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Showing 1 to 13 of 13 for “"Gastrópodes"”.
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Moluscos gastrópodes da plataforma continental externa e talude continental ao largo da laguna dos Patos - Rio Grande do Sul, Brasil
Em 1982 o Brasil participa da Convenção das Nações Unidas para o Direito do Mar. Esta convenção dispõe sobre os usos dos espaços marítimos e oceânicos, buscando a utilização racional e a exploração dos recursos do mar. Devido ao escasso conhecimento da região da plataforma externa e talude …
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Obtenção e avaliação de proteases do fungo nematófago Monacrosporium thaumasium a partir de nanopartículas de prata sobre massas ovígeras do molusco Biomphalaria glabrata e sua análise por pinçamento óptico
… Biotecnologia. Controle biológico. Gastrópodes. Nanomateriais. Trematodíases. Pinça óptica.
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Ecologia e dinâmica populacional de Biomphalaria tenagophila (Orbigny, 1835) (Mollusca, Gastropoda) em cultura de agrião (Nasturtium officinale) no Alto da Boa Vista, Rio de Janeiro
Irrigated cultures of sugar cane, rice and water cress play an important role in the transmission of schistosomiasis in south-east Brazil. However, little is known about the ecological interactions of the vector snails of schistosomiasis in these modified lotic environments, and especially about …
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Estudo da anatomia dos moluscos do gênero Cyphoma Roding, 1798 (Gastropoda - Ovulidae) que ocorrem no Brasil
The present study is based on the morfoanatomic description of the genus Cyphoma mollusks (Castropoda-Ovulidae) which occurs in Brazil, trying also to solve the taxonomic problems found in the specialized literature. From the four brazilian species, it was the first description the soft parts of C. …
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Anatomia e histologia do aparelho reprodutor e dados biológicos de Pomacea sp. (Mollusca, Gastropoda, Pilidae)
In this paper the author gives an anatomical and histological study of the reproductive system of Pomacea sp in order to obtain a rnorphological base to add to the knowledge of the features that we use in the specific identification of pilids. They give some general taxonomic considerations the …
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Composição, distribuição espaço - temporal e associações de espécies de Gastropoda do infralitoral de fundos inconsolidados da região do Cabo Frio, RJ, Brasil
The main purpose of this study was to determine the composition, spacial-temporal distribution and the gastropod associations of upwelling ecosystem of Arraial do Cabo, RJ/Brazil. Monthly, samples were done using an otter-trawl, a rectangular dredge and a van Veen grab at 30, 45 and 60 meters deep, …
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Taxionomia e morfologia de Pomacea lineata (Spix, 1827) (Mollusca, Gastropoda, Ampullariidae)
This work deals with the internal and external anatany of Pomacea lineata (SPIX, 1827). The descriptions and figures of the soft parts and shell, reproductive, digestive, excretory, respiratory, circulatory and nervous systems are given. Microanatomic studies of the male copulatory apparatus were …
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Taxonomia, morfologia e distribuição geográfica das espécies incluídas em Hypselartemon Wenz, 1947 (Mollusca, Gastropoda, Pulmonata, Streptaxidae)
The Streptaxidae family, constituted by carnivorous land snails molluscs, has circuntropical distribution and is strongly represented in Brazil, with an estimative of 60 living species described. Taxonomic and morphological problems embracing the Brazilian species are still common, making the …
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Contribuição ao conhecimento da taxonomia em Thais (Stramonita) haemastona (Linnaeus, 1767) (Mollusca, Gastropoda, Muricidae)
The gastropod mollusc Thais haemastoma (Linnaeus, 1767) is characterized, including its taxonomic positioning up to the subclass level. Descriptions of the shell, operculum and radula are included, as well as of some soft parts which represents taxonomically important characters. Data related to …
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Taxonomia e macroanatomia de Anachis (Anachis) lyrata (Sowerby, 1832), Anachis (Costoanachis) sertulariarum (D'Orbigny, 1839) e Anachis (Parvanachis) obesa (C. B. Adams, 1845) (Mollusca, Gastropoda, Columbellidae)
Anachis (Anachis) lyrata (Sowerby, 1832), Anachis (Costoanachis) sertulariarum (d'Orbigny, 1832), and Anachis (Parvanachis] obesa (C. B. Adams, 1845] were investigated in relation to their taxonomy, conchology and macroanatomy. The purpose of the study was to provide a comprehensive …
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A tribo Marginellini Fleming, 1828 na costa brasileira (Mollusca, Gastropoda, Marginellidae)
The generic and specific taxonomy of the tribe Marginellini Fleming, 1828 is examined. This study was based on fossil and Recent material deposited in Brazilian and foreign collections, public and private. The tribe is represented in the Brazilian coast by two genera: Eratoidea Weinkauff, 1879 and …
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Conquiologia e anatomia de Orthalicus pulchellus (Spix,1827) (Mollusca, Gastropoda, Pulmonata, Orthalicidae)
Studies on shell, Jaw, radula, palial camera roof and reproductive system are presented, including macro and microanatomical characterizations of the penis appendix, what enabled the characterization and distinction of Orthalicus pulchellus (Spix, 1827) from the other known species of Orthalicidae …
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Macroanatomia, microanatomia e histologia dos sistemas reprodutor e digestivo de Thaumastus (Thaumastus) Taunaisii (Ferussac, 1822), T. (T.) Magnificus (Grateloup, 1839) e T. (T.) Achilles (Pfeiffer, 1852) (Mollusca, Gastropoda, Stylommatophora, Bulimulidae)
Studies were carried out in order to determine the differences in the reproductive and digestive systems of the various species of Thaumastus Martens, 1860, captured in forests and shoals of Rio de Janeiro State. The terminology used here derives from studies based on microanatomy, histology, …