coat-of-mail shell の意味「ヒザラガイ」

意味	ヒザラガイ a marine mollusk covered by eight overlapping calcareous plates

coat-of-mail shellのWordNet

意味	primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates 8枚の石灰質板で覆われた外套膜を持つ、原始的な細長い左右対称の海洋軟体動物
同義語	chiton polyplacophore sea cradle
上位語	mollusc軟体動物 mollusk軟体動物 shellfish貝類