Dipleurozoa (or Dickinsoniomorpha) are extinct proarticulate organisms of the Ediacaran period, which had a flat and more or less ovoid shape. Polychaete worms were treated, however it seems more likely that they were vendobionts. The most representative genus is Dickinsonia, which gives the name to the class (in the case of Dickinsoniomorpha).
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| - Dipleurozoa (en)
- Dipleurozoa (es)
- Dipleurozoa (fr)
- 雙側水母綱 (zh)
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| - 雙側水母綱（學名：Dipleurozoa）是已滅絕的前分節動物門下的一綱，其下皆為化石物種，生存在埃迪卡拉紀的海洋中，以狄更遜水母為代表，因此本綱又名為「狄更遜水母形綱（Dickinsoniomorpha）」。 它們的身體乍看之下是兩側對稱且分節，然而身體中軸線兩側的體節並非成對排列，而是相互交錯排列的，這種具有性質的體節被稱為。 它們的身體有分前後端，出土的痕跡化石表明它們具有一定的運動能力。科學家假設它們可以從體表攝取微生物，並利用腹面消化，和今日的原始動物類群──扁盤動物門相似。 (zh)
- Dipleurozoa (or Dickinsoniomorpha) are extinct proarticulate organisms of the Ediacaran period, which had a flat and more or less ovoid shape. Polychaete worms were treated, however it seems more likely that they were vendobionts. The most representative genus is Dickinsonia, which gives the name to the class (in the case of Dickinsoniomorpha). (en)
- Los dipleurozoos (Dipleurozoa o Dickinsoniomorpha) son organismos proarticulados extintos del período Ediacárico, que tenían forma plana y más o menos ovoide. Fueron considerados gusanos poliquetos, sin embargo, parece más probable que fuesen vendobiontes. El género más representativo es Dickinsonia. (es)
- Les dipleurozoaires (Dipleurozoa) regroupent les animaux semblables à Dickinsonia. Cet animal archaïque de la faune de l'Édiacarien présente une symétrie bilatérale. Il a été comparé à des vers polychètes. Adolf Seilacher les classe comme Vendozoaires. Mikhail A. Fedonkin et Benjamin M. Waggoner y apparentent Spriggina qui évoque déjà un trilobite, et des animaux proches mais dont les segments latéraux sont alternés. Ils proposent l'arborescence suivante: (fr)
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| - Harrington & Moore 1955 (en)
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| - Different species of Dickinsonia (en)
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| - *†Dickinsoniidae
** †Dickinsonia
** †?Windermeria (en)
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| - Dipleurozoa (or Dickinsoniomorpha) are extinct proarticulate organisms of the Ediacaran period, which had a flat and more or less ovoid shape. Polychaete worms were treated, however it seems more likely that they were vendobionts. The most representative genus is Dickinsonia, which gives the name to the class (in the case of Dickinsoniomorpha). At first glance, the organisms appear to be bilateral that are made up of serial segments. However, this can be misleading, as there are indications that the structures to the left and right of the body axis were not arranged in pairs, but offset each other alternately; like the segments of many rangeomorphs. They show a front and a back end, the footprints indicate some capacity for movement. The prints have led to the assumption that organisms could feed on microbial biota by absorption through the body wall, similar to recent Placozoa, and digested with the ventral (abdominal) surface. (en)
- Los dipleurozoos (Dipleurozoa o Dickinsoniomorpha) son organismos proarticulados extintos del período Ediacárico, que tenían forma plana y más o menos ovoide. Fueron considerados gusanos poliquetos, sin embargo, parece más probable que fuesen vendobiontes. El género más representativo es Dickinsonia. A primera vista, los organismos parecen ser bilaterales que están formados por segmentos en serie. Sin embargo, esto puede ser engañoso, ya que hay indicios de que las estructuras a la izquierda y a la derecha del eje del cuerpo no estaban dispuestas en pares, sino que se compensaban entre sí alternadamente; como los segmentos de muchos rangeomorfos. Muestran un frente y un extremo posterior, las huellas indican cierta capacidad de movimiento. Las impresiones han llevado a la suposición de que los organismos podrían alimentarse de biota microbiana por absorción a través de la pared del cuerpo, similar a los recientes Placozoa, y digerido con la superficie ventral (abdominal). (es)
- Les dipleurozoaires (Dipleurozoa) regroupent les animaux semblables à Dickinsonia. Cet animal archaïque de la faune de l'Édiacarien présente une symétrie bilatérale. Il a été comparé à des vers polychètes. Adolf Seilacher les classe comme Vendozoaires. Mikhail A. Fedonkin et Benjamin M. Waggoner y apparentent Spriggina qui évoque déjà un trilobite, et des animaux proches mais dont les segments latéraux sont alternés. Ils proposent l'arborescence suivante: ├─o Petalonamae (sédentaires et à symétrie axiale)└─o Dipleurozoa (mobiles et à symétrie bilatérale) ├─o Dickinsoniidae └─o (AD) (à chambre médiane) ├─o (cæcum complexe et gonades tubulaires) └─o Spriggina (à corps allongé) (fr)
- 雙側水母綱（學名：Dipleurozoa）是已滅絕的前分節動物門下的一綱，其下皆為化石物種，生存在埃迪卡拉紀的海洋中，以狄更遜水母為代表，因此本綱又名為「狄更遜水母形綱（Dickinsoniomorpha）」。 它們的身體乍看之下是兩側對稱且分節，然而身體中軸線兩側的體節並非成對排列，而是相互交錯排列的，這種具有性質的體節被稱為。 它們的身體有分前後端，出土的痕跡化石表明它們具有一定的運動能力。科學家假設它們可以從體表攝取微生物，並利用腹面消化，和今日的原始動物類群──扁盤動物門相似。 (zh)
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