Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)

Detalhes bibliográficos
Autor(a) principal: Paraense, W. Lobato
Data de Publicação: 1990
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/43411
Resumo: Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Malacologia. Rio de Janeiro, RJ, Brasil.
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spelling Paraense, W. Lobato2020-09-16T19:17:12Z2020-09-16T19:17:12Z1990PARAENSE, W. Lobato. Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae). Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 85, n. 4, p. 391-399, Oct./Dec. 1990.0074-0276https://www.arca.fiocruz.br/handle/icict/4341110.1590/S0074-027619900004000021678-8060engFundação Oswaldo Cruz. Instituto Oswaldo Cruz.Biomphalaria obstructaPlanorbidaePlanorbis orbiculusMolluscaPlanorbis retususMéxicoTaxonomiaBiomphalaria obstructaPlanorbidaeMolluscaPlanorbis orbiculusPlanorbis retususMexicoTaxonomyBiomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Malacologia. Rio de Janeiro, RJ, Brasil.A description of Biomphalaria obstructa (Morelet, 1849), based on specimens collected at its type locality - isla del carmen, state of Campeche, Mexico - is presented. The Shell is small, 13 mm in diameter, 3.5 mm in width and with 5.75 whorls in the largest specimen, thin, moderately lustrous and translucent, horn-colored. Whorls increasing regularly (neither slowly nor rapidly) in diameter, rounded on the periphery side, bluntly angular on the left. Suture well-marked, deeper on the left. Right side widely concave, with first whorl deeply situated and partly hidden by the next. Left side shallower than right one, largely flattened, with first whorl plaintly visible. Aperture roundly heart-shaped, usually in the same plane as the body whorl but somewhat deflected to the left (less frequently to the right) in some specimens. Peristome sharp, seldom blunt; a distinct callus on the parietal wall. A number of young shells develop one set (seldom more) of apertural lamellae which tend to be resorbed as the shell grows. Absence of renal ridge. Ovotestis with about 70 mostly unbrached diverticula. Seminal vesicle beset with well-developed knoblike to fingerlike diverticula. Vaginal pouch more or less developed. Spermatheca club-shaped when empty, egg-shaped when full, and with intermediate forms between those extremes. Spermathecal body usually somewhat longer than the duct. Prostate with 7 to 20 (mean 12.06 ± 2.51) usually short diverticula which give off plumpish branches spreading out in a fan shape and overlapping to some extent their immediate neighbors. Foremost prostatic diverticulum nearly always partially or completely inserted between the spermathecal body and the uterine wall. Penial sheath consistently narrower and shorter than the prepuce. Muscular coat of the penis consisting of an inner longitudinal and an outer circular layers. Ratios between organ lengths: caudal to cephalic parts of female duct = 0.55 to 1.37 (mean 0.85 +- 0.17); cephalic parte of female duct to penial complex = 1.36 to 2.81 ((mean 1.90 +- 0.33); penial sheath to prepuce = 042 to 0.96 (mean 0.67 +- 0.13). Comparison with Morelet s type specimens of Planorbis orbiculus and P. retusus points to the identity of those nominal species with B. obstructa.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/43411/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALWLObato_Paraense_IOC_1990.pdfWLObato_Paraense_IOC_1990.pdfapplication/pdf344490https://www.arca.fiocruz.br/bitstream/icict/43411/2/WLObato_Paraense_IOC_1990.pdfa1bc3c2f22878b9f9a49a589e0c46e52MD52TEXTWLObato_Paraense_IOC_1990.pdf.txtWLObato_Paraense_IOC_1990.pdf.txtExtracted texttext/plain9https://www.arca.fiocruz.br/bitstream/icict/43411/3/WLObato_Paraense_IOC_1990.pdf.txt33f4f15a16a9843faf6a25d4f387b6fdMD53icict/434112020-09-17 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dc.title.pt_BR.fl_str_mv Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
title Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
spellingShingle Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
Paraense, W. Lobato
Biomphalaria obstructa
Planorbidae
Planorbis orbiculus
Mollusca
Planorbis retusus
México
Taxonomia
Biomphalaria obstructa
Planorbidae
Mollusca
Planorbis orbiculus
Planorbis retusus
Mexico
Taxonomy
title_short Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
title_full Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
title_fullStr Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
title_full_unstemmed Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
title_sort Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae)
author Paraense, W. Lobato
author_facet Paraense, W. Lobato
author_role author
dc.contributor.author.fl_str_mv Paraense, W. Lobato
dc.subject.other.pt_BR.fl_str_mv Biomphalaria obstructa
Planorbidae
Planorbis orbiculus
Mollusca
Planorbis retusus
México
Taxonomia
topic Biomphalaria obstructa
Planorbidae
Planorbis orbiculus
Mollusca
Planorbis retusus
México
Taxonomia
Biomphalaria obstructa
Planorbidae
Mollusca
Planorbis orbiculus
Planorbis retusus
Mexico
Taxonomy
dc.subject.en.pt_BR.fl_str_mv Biomphalaria obstructa
Planorbidae
Mollusca
Planorbis orbiculus
Planorbis retusus
Mexico
Taxonomy
description Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Malacologia. Rio de Janeiro, RJ, Brasil.
publishDate 1990
dc.date.issued.fl_str_mv 1990
dc.date.accessioned.fl_str_mv 2020-09-16T19:17:12Z
dc.date.available.fl_str_mv 2020-09-16T19:17:12Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv PARAENSE, W. Lobato. Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae). Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 85, n. 4, p. 391-399, Oct./Dec. 1990.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/43411
dc.identifier.issn.pt_BR.fl_str_mv 0074-0276
dc.identifier.doi.none.fl_str_mv 10.1590/S0074-02761990000400002
dc.identifier.eissn.none.fl_str_mv 1678-8060
identifier_str_mv PARAENSE, W. Lobato. Biomphalaria obstructa (Morelet, 1849): a study of topotypic specimens (Mollusca: pulmonata: planorbidae). Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 85, n. 4, p. 391-399, Oct./Dec. 1990.
0074-0276
10.1590/S0074-02761990000400002
1678-8060
url https://www.arca.fiocruz.br/handle/icict/43411
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Fundação Oswaldo Cruz. Instituto Oswaldo Cruz.
publisher.none.fl_str_mv Fundação Oswaldo Cruz. Instituto Oswaldo Cruz.
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
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instacron_str FIOCRUZ
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reponame_str Repositório Institucional da FIOCRUZ (ARCA)
collection Repositório Institucional da FIOCRUZ (ARCA)
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