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鱗足螺

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鱗足螺
科學分類 編輯
界: 動物界 Animalia
門: 軟體動物門 Mollusca
綱: 腹足綱 Gastropoda
科: Peltospiridae科 Peltospiridae
屬: 鱗足螺屬 Chrysomallon
Chen, Linse, Copley & Rogers, 2015
種:
鱗足螺 C. squamiferum
二名法
Chrysomallon squamiferum
Chen, Linse, Copley & Rogers, 2015[2]
異名[2]
  • Crysomallon squamiferum(拼寫錯誤)

鱗足螺(學名:Chrysomallon squamiferum),又名鱗角腹足蝸牛[3],是一種生活在深海熱泉海螺,屬於Peltospiridae英語Peltospiridae科的海洋腹足綱軟體動物物種[2],也是鱗足螺屬Chrysomallon)的單型種。本物種不單與其他深海腹足綱物種相異甚遠,就連同屬Neomphaloidea總科的物種亦與之相異甚遠[4]。2019年,因深海資源開發將對熱泉區帶來的環境影響,它以瀕危(endangered,指很可能會絕滅的物種)[5]的級別被列入國際自然保護聯盟(IUCN)的瀕危物種紅色名錄[6][7]

螺殼雖然亦是與其他腹足綱物種一樣由三層組成,但部分的化學構成有所不同:最外一層由硫化鐵組成,中間一層相當於其他物種的有機外殼膜,而最裡層則由霰石構成。其腹足亦很特別,裹有礦物化了的鐵構成的鱗甲。這亦是本物種的名稱由來。

其異常大的食道腺住有共生性Γ-變形菌,;而其心臟按其身體體型與其他動物來比較亦是異常的大,佔了整個身體的4%體積[4]

習性

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兩種形態的鱗角腹足蝸牛

其生活在印度洋海域2400米到2800米深的深海熱泉[2]。該物種被首次發現於2001年,位於印度洋中洋脊2420米深深海熱泉的黑色海底煙柱旁[8]。該物種隨後也在Solitaire與Longqi區域被發現[9][10][11]

註釋

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參考文獻

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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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