{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/2851"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/2851","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Representação do gênero Mactra Linnaeus, 1767 no Estado do Rio de Janeiro, Brasil (Mollusca, Bivalvia, Mactridae)","abstract":"The main objective of this essay is the study of marine bivalves mollusks of the genus Mactra Linnaeus, 1767, which belongs to the Mactridae family, found in the coastal area of the state of Rio de Janeiro. The characteristics from subclass to subgenus are presented in this study. Besides, there are discussions related to taxonomics, morphologics and ecologics characteristics Connected with geological and geographical distribuitions for the following species: Mactra (Mactra) isabelleana Orbigny, Mactra (Mactra) patagonia Orbigny, Mactra (Mactra) marplatensis Doello - Jurado, Mactra (Micromactra) Janeiroensis Smith, Mactra (Mactrotoma) petiti Orbigny e Mactra (Mactrotoma) fragilis: Gmelin.","abstract_html":"The main objective of this essay is the study of marine bivalves mollusks of the genus Mactra Linnaeus, 1767, which belongs to the Mactridae family, found in the coastal area of the state of Rio de Janeiro. The characteristics from subclass to subgenus are presented in this study. Besides, there are discussions related to taxonomics, morphologics and ecologics characteristics Connected with geological and geographical distribuitions for the following species: Mactra (Mactra) isabelleana Orbigny, Mactra (Mactra) patagonia Orbigny, Mactra (Mactra) marplatensis Doello - Jurado, Mactra (Micromactra) Janeiroensis Smith, Mactra (Mactrotoma) petiti Orbigny e Mactra (Mactrotoma) fragilis: Gmelin.","abstract_has_math":false,"creators":["Brandão, Antonio Marmo"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Coelho, Arnaldo Campos dos Santos"],"committee_chairs":[],"committee_members":[],"year":1982,"date_issued":"1982-05-07","date_published":"1982-05-07","updated_at":"2026-07-24T01:15:56Z","subjects":["Mactra","Bivalve (Molusco)","Rio de Janeiro (Estado)"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/2851","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Coelho, Arnaldo Campos dos Santos"]},{"key":"dc:creator","label":"Author","values":["Brandão, Antonio Marmo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-09-18T23:40:31Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:03:22Z"]},{"key":"dc:date.issued","label":"Date","values":["1982-05-07"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Museu Nacional"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Mactra","Bivalve (Molusco)","Rio de Janeiro (Estado)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/2851"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The main objective of this essay is the study of marine bivalves mollusks of the genus Mactra Linnaeus, 1767, which belongs to the Mactridae family, found in the coastal area of the state of Rio de Janeiro. The characteristics from subclass to subgenus are presented in this study. Besides, there are discussions related to taxonomics, morphologics and ecologics characteristics Connected with geological and geographical distribuitions for the following species: Mactra (Mactra) isabelleana Orbigny, Mactra (Mactra) patagonia Orbigny, Mactra (Mactra) marplatensis Doello - Jurado, Mactra (Micromactra) Janeiroensis Smith, Mactra (Mactrotoma) petiti Orbigny e Mactra (Mactrotoma) fragilis: Gmelin."]},{"key":"dc:title","label":"Title","values":["Representação do gênero Mactra Linnaeus, 1767 no Estado do Rio de Janeiro, Brasil (Mollusca, Bivalvia, Mactridae)"]}]}],"canonical_facts":{"dc:contributor.advisor":["Coelho, Arnaldo Campos dos Santos"],"dc:creator":["Brandão, Antonio Marmo"],"dc:date.accessioned":["2017-09-18T23:40:31Z"],"dc:date.available":["2026-05-16T03:03:22Z"],"dc:date.issued":["1982-05-07"],"dc:description.abstract":["The main objective of this essay is the study of marine bivalves mollusks of the genus Mactra Linnaeus, 1767, which belongs to the Mactridae family, found in the coastal area of the state of Rio de Janeiro. The characteristics from subclass to subgenus are presented in this study. Besides, there are discussions related to taxonomics, morphologics and ecologics characteristics Connected with geological and geographical distribuitions for the following species: Mactra (Mactra) isabelleana Orbigny, Mactra (Mactra) patagonia Orbigny, Mactra (Mactra) marplatensis Doello - Jurado, Mactra (Micromactra) Janeiroensis Smith, Mactra (Mactrotoma) petiti Orbigny e Mactra (Mactrotoma) fragilis: Gmelin."],"dc:identifier.uri":["http://hdl.handle.net/11422/2851"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Museu Nacional"],"dc:rights":["Acesso Aberto"],"dc:subject":["Mactra","Bivalve (Molusco)","Rio de Janeiro (Estado)"],"dc:title":["Representação do gênero Mactra Linnaeus, 1767 no Estado do Rio de Janeiro, Brasil (Mollusca, Bivalvia, Mactridae)"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:15:56Z"}