Pulmonata
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…It can refer to all land mollusks, but more precisely, to mollusks belonging to the Pulmonata genus, which breathe through a mantle cavity rather than through gills, and particularly to the larger species within that genus. The "tsumuri" in "nail" means "tsubu" (pot), that is, a snail with an inflated shell, but the meaning of "kata" is unclear. From [Mollusks]...Sea hares, sea slugs, and sea slugs belong to this group. (c) Pulmonata: Most of them have a rolled shell, but lack a lid. The nerves do not cross. From [Gastropods]...All are marine. (3) Pulmonata: Usually, the shell is rolled up on the back, but this is absent in slugs. The head has antennae, eyes, and a mouth, and the anus opens forward into the mantle cavity. *Some of the terminology that mentions "Pulmonata" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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…陸産の貝類全体をいうこともあるが，正確にはえらでなく外套（がいとう）腔で呼吸する有肺類Pulmonataに属する軟体動物のことで，とくにその中の大型の種類を指す。カタツムリのツムリはツブ(壺)，すなわち殻が膨らんだ巻貝の意であるが，カタの意は明らかでない。… 【軟体動物】より…アメフラシ，カメガイ，ウミウシ類がこれに属する。(c)有肺亜綱Pulmonata 多くは巻いた殻をもつが，ふたを欠く。神経は交叉しない。… 【腹足類】より…すべて海産。(3)有肺類（ゆうはいるい）Pulmonata 通常巻いた殻が背上にあるが，ナメクジでは欠く。頭には触角と眼と口があり，外套腔内に前向きに肛門が開く。… ※「Pulmonata」について言及している用語解説の一部を掲載しています。 出典｜株式会社平凡社世界大百科事典 第２版について | 情報 |
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