{"id":26864,"date":"2016-01-15T00:00:00","date_gmt":"2016-01-15T00:00:00","guid":{"rendered":"https:\/\/lab.fabricadelandings.com.br\/portalsaofrancisco\/uncategorized\/classe-concentricycloidea-3\/"},"modified":"2026-09-01T18:07:06","modified_gmt":"2026-09-01T18:07:06","slug":"classe-concentricycloidea-3","status":"publish","type":"post","link":"https:\/\/lab.fabricadelandings.com.br\/portalsaofrancisco\/biologia-2\/classe-concentricycloidea-3\/","title":{"rendered":"Classe Concentricycloidea"},"content":{"rendered":"\n

\"Classe
\n Classe Concentricycloidea (Margaridas do mar)<\/strong><\/p>\n \n

A classe Concentricycloidea<\/strong>, descrita em 1986, ainda \u00e9 pouco conhecida.<\/p>\n \n

Os primeiros esp\u00e9cimes foram descobertos no in\u00edcio da d\u00e9cada de 80, em madeira submersa, entre 1.058 e 1.208 m de profundidade, ao largo da Nova Zel\u00e2ndia, e a cerca de 2.000 m de profundidade ao largo da Ilha Andros, no Caribe. <\/p>\n \n

Aparentemente, a distribui\u00e7\u00e3o \u00e9 cosmopolita, ligada \u00e0 madeira submersa encharcada, o \u00fanico h\u00e1bitat onde foram encontradas as duas esp\u00e9cies descritas at\u00e9 o momento.<\/p>\n \n

\"Classe
\n Classe Concentricycloidea (Margaridas do mar)<\/strong><\/p>\n \n

Concentricycloidea (Margaridas do mar)<\/h4>\n \n
\n

Filo:<\/strong> Echinodermata
\nClasse:<\/strong> Concentricycloidea <\/p>\n <\/blockquote>\n \n

Esta classe \u00e9 um dos bons exemplos do muito que o mar tem para nos oferecer em termos de pesquisa cient\u00edfica, j\u00e1 que foi descoberta apenas em 1986. <\/p>\n \n

Os animais desta classe t\u00eam o corpo em forma de disco achatado e t\u00eam menos de 1 cm de di\u00e2metro. <\/p>\n \n

Pequenas equinodermos em forma de disco com um sistema de esqueleto e vascular \u00e1gua circular.<\/p>\n \n

As duas esp\u00e9cies descobertas at\u00e9 \u00e0 data foram encontradas na Nova Zel\u00e2ndia e nas Bahamas. <\/p>\n \n

Possuem um sistema vascular aqu\u00edfero, com p\u00e9s-tubo ambulacr\u00e1rios situados no bordo da superf\u00edcie do corpo, n\u00e3o possuindo \u00e0 primeira vista bra\u00e7os ou boca, e aparentam absorver os nutrientes atrav\u00e9s da membrana que reveste o corpo.<\/p>\n \n

Resumo: <\/strong>sem bra\u00e7os, corpo em forma de disco cercado de pequenas espinhas; sistema digestivo incompleta; viver em madeira submersa.<\/p>\n \n

A classe Concentricycloidea<\/strong>, vulgarmente chamados Margaridas do mar<\/strong>, s\u00e3o um grupo de equinodermos de recente descoberta (1986).<\/p>\n \n

A posi\u00e7\u00e3o dos Concentricycloidea dentro dos Echinodermata n\u00e3o est\u00e1 bem definida. <\/p>\n \n

N\u00e3o h\u00e1 acordo em se devem formar uma classe aparte ou se devem se considerar como Asteroideos muito modificados. <\/p>\n \n

Fonte: www.vivaterra.org.br<\/p>\n","protected":false},"excerpt":{"rendered":"

Classe Concentricycloidea, Margaridas do Mar, Filo, Echinodermatas, Equinodermos, Esp\u00e9cimes, Animais, Esp\u00e9cies, Resumo, Classe Concentricycloidea<\/p>\n","protected":false},"author":1,"featured_media":18177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[46],"tags":[],"class_list":["post-26864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biologia-2"],"acf":[],"yoast_head":"\nClasse Concentricycloidea - Portal S\u00e3o Francisco<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Classe Concentricycloidea - Portal S\u00e3o Francisco\" \/>\n<meta property=\"og:description\" content=\"Classe Concentricycloidea, Margaridas do Mar, Filo, Echinodermatas, Equinodermos, Esp\u00e9cimes, Animais, Esp\u00e9cies, Resumo, Classe Concentricycloidea\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lab.fabricadelandings.com.br\/portalsaofrancisco\/biologia-2\/classe-concentricycloidea-3\/\" \/>\n<meta property=\"og:site_name\" content=\"Portal S\u00e3o Francisco\" \/>\n<meta property=\"article:published_time\" content=\"2016-01-15T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-01T18:07:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lab.fabricadelandings.com.br\/portalsaofrancisco\/wp-content\/uploads\/2026\/08\/classe-concentricycloidea-19.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"275\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/#\\\/schema\\\/person\\\/809496378e7bdc3449a70c476cbf211c\"},\"headline\":\"Classe Concentricycloidea\",\"datePublished\":\"2016-01-15T00:00:00+00:00\",\"dateModified\":\"2026-09-01T18:07:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/\"},\"wordCount\":289,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/classe-concentricycloidea-19.jpg\",\"articleSection\":[\"Biologia\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/\",\"url\":\"https:\\\/\\\/lab.fabricadelandings.com.br\\\/portalsaofrancisco\\\/biologia-2\\\/classe-concentricycloidea-3\\\/\",\"name\":\"Classe Concentricycloidea - 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