鳞足螺(学名:Chrysomallon squamiferum),又名鳞角腹足蜗牛[3],是一种生活在深海热泉海螺,属于Peltospiridae英语Peltospiridae科的海洋腹足纲软体动物物种[2],也是鳞足螺属Chrysomallon)的单型种。本物种不单与其他深海腹足纲物种相异甚远,就连同属Neomphaloidea总科的物种亦与之相异甚远[4]。2019年,因深海资源开发将对热泉区带来的环境影响,它以濒危(endangered,指很可能会绝灭的物种)[5]的级别被列入国际自然保护联盟(IUCN)的濒危物种红色名录[6][7]

鳞足螺
科学分类 编辑
界: 动物界 Animalia
门: 软体动物门 Mollusca
纲: 腹足纲 Gastropoda
科: Peltospiridae科 Peltospiridae
属: 鳞足螺属 Chrysomallon
Chen, Linse, Copley & Rogers, 2015
种:
鳞足螺 C. squamiferum
二名法
Chrysomallon squamiferum
Chen, Linse, Copley & Rogers, 2015[2]
异名[2]
  • Crysomallon squamiferum(拼写错误)

螺壳虽然亦是与其他腹足纲物种一样由三层组成,但部分的化学构成有所不同:最外一层由硫化铁组成,中间一层相当于其他物种的有机外壳膜,而最里层则由霰石构成。其腹足亦很特别,裹有矿物化了的铁构成的鳞甲。这亦是本物种的名称由来。

其异常大的食道腺住有共生性Γ-变形菌,;而其心脏按其身体体型与其他动物来比较亦是异常的大,占了整个身体的4%体积[4]

习性

 
两种形态的鳞角腹足蜗牛

其生活在印度洋海域2400米到2800米深的深海热泉[2]。该物种被首次发现于2001年,位于印度洋中洋脊2420米深深海热泉的黑色海底烟柱旁[8]。该物种随后也在Solitaire与Longqi区域被发现[9][10][11]

注释

参考文献

This article incorporates Creative Commons (CC-BY-4.0) text from references[4][12][13] and CC-BY-2.5 text from the reference[14]

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