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Sistema: Ordov\u00edcico medio.<\/p>\n
Horizonte Aseri.<\/p>\n
Procedencia: r\u00edo V\u00f3ljov, proximidades de San Petersburgo, Rusia.<\/p>\n
Medidas: 2 cm x 1,8 cm<\/p>\n
<\/p>","protected":false},"featured_media":35634,"template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"Echinosphaerites<\/span><\/b><\/i> es uno de los equinodermos cistoideos romb\u00edferos <\/span>que vivieron en el Ordov\u00edcico temprano a medio de Am\u00e9rica del Norte y Europa.\u00a0<\/span>\r\n\r\nLos cistoideos recuerdan peque\u00f1as mazas (cyste).\u00a0 Los cistoideos eran suspens\u00edvoros s\u00e9siles, aliment\u00e1ndose por filtraci\u00f3n de agua. Como la mayor\u00eda de los equinodermos, su cuerpo estaba protegido por un conjunto de placas calc\u00e1reas encajadas, formando una teca muy s\u00f3lida, ovoide, estructurada en una simetr\u00eda pentarradial\u00a0imperfecta (m\u00e1s raramente trirradial) visible principalmente por las cinco \u00e1reas ambulacrales y perforada por muchos poros, probablemente respiratorios.\r\n\r\nLa boca se situaba en el centro, rodeada por cinco estructuras que irradian como p\u00e9talos, de diferentes formas, y que sostienen \u00f3rganos filtrantes muy ramificados llamados braquiolas, que permit\u00edan a los cistoideos filtrar el agua para atrapar el plancton\u00a0del que se alimentaban. El ano estaba a un lado de la teca.\r\n\r\nLa teca estaba en el extremo de una varilla hecha de artejos circulares anidados (como en los crinoideos con tallo), el otro extremo del tallo estaba unido al sustrato.\r\n\r\n ","_et_gb_content_width":""},"product_brand":[],"product_cat":[29,19,52],"product_tag":[],"class_list":["post-35627","product","type-product","status-publish","has-post-thumbnail","product_cat-equinodermos","product_cat-invertebrados","product_cat-novedades","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/product\/35627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/media\/35634"}],"wp:attachment":[{"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/media?parent=35627"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/product_brand?post=35627"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/product_cat?post=35627"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.fosilpaleos.com\/en\/wp-json\/wp\/v2\/product_tag?post=35627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}