V2EX brachiopoda

Brachiopoda

释义 Definition

Brachiopoda(腕足动物门):一种海洋无脊椎动物的动物门,多数有两片“壳”(背壳与腹壳),外形常像双壳类(如蛤蜊),但内部结构与取食方式不同(常具腕状触手冠用于滤食)。常见于化石记录中。

发音 Pronunciation (IPA)

/brkipd/

例句 Examples

Brachiopoda live mostly on the seafloor.
腕足动物门的动物大多生活在海底。

In the museum, the fossil display compared Brachiopoda with bivalves to show how similar shells can hide very different anatomy.
在博物馆里,化石展把腕足动物门与双壳类作对比,说明外壳相似也可能掩盖截然不同的身体结构。

词源 Etymology

来自新拉丁语学术命名:brachio-(源自希腊语 brachiōn,“手臂”)+ -poda(源自希腊语 pous/podos,“足”),意为“有‘臂足’的”,指它们用于取食的“腕状”结构(触手冠)在早期描述中给人以“臂”的印象。

相关词 Related Words

文学与经典著作中的用例 Literary / Notable Works

  • Charles Darwin, On the Origin of Species(《物种起源》):在讨论地质年代、生物分布与化石证据时会提到腕足类/其化石记录。
  • Charles Lyell, Principles of Geology(《地质学原理》):涉及地层、化石与古生物证据时常出现腕足类相关内容。
  • Raymond C. Moore (ed.), Treatise on Invertebrate Paleontology(《无脊椎动物古生物学论著》):系统性整理无脊椎动物门类,腕足动物门是重要篇章之一。
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