chordata

Peacocks are classified in the phylum Chordata, subphylum Vertebrata , class Aves , order Galliformes, family Phasianidae.

孔雀被认为是脊索动物类,脊索动物亚门, 鸟类.

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Styela plicata is an ascidian which belongs to class Ascidiacea, subphylum urochordata, phylum Chordates. About 2000 kinds of ascidians have been found in the nature and they distribute over the maritime space.

海鞘（Ascidian）属于脊索动物门（Chordates），尾索动物亚门（Urochordata），海鞘纲（Ascidiacea），全世界约有2000种，广泛分布于各海域中。

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Humans are classified into the domain Eukary, kingdom Animalia, phylum Chordata, subphylum Vertebrata, class-s Mammalia, order Primates, family Hominidae, genus Homo, and species sapiens.

翻译成中文就是：人类最终的分类位置为真核生物域、动物界、脊索动物门、真兽亚纲、灵长目、人科、人属、智人。

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the eye is not an affair which only refers us to the origin just of mammals or even of vertebrates or even of chordata;

眼睛并不是一件事情，仅能让我们看到哺乳动物的起源，或是甚至是脊椎动物，或甚至是脊索动物的起源。

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for instance, everything with anotochord (which would be a spine for sharks, pythons, pelicans, you) belongsin the phylum chordata.

比如，凡长有脊索（包括鲨鱼，蟒蛇，鹈鹕还有你的脊柱）的生物都归属于脊索动物门。

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