This new species of hydatinid gastropod was discovered from a sperm whale carcass in the deep sea .

这个泡螺科腹足类新物种是在深海抹香鲸的尸体中被发现的。

This gastropod ( from the hydatinidae family ) was recently discovered living on a sperm whale carcass in the deep sea near kagoshima in southern japan .

这种腹足动物（属于泡螺科）是最近在日本南部靠近鹿儿岛的深海中一头抹香鲸的尸体上被发现的。

A ciliated swimming organ that develops in certain larval stages of most marine gastropod mollusks .

游泳盘大多数海洋腹足纲软体动物的某些幼体阶段形成的一种有纤毛的游泳器官。

Freshwater or marine or terrestrial gastropod mollusk usually having an external enclosing spiral shell .

淡水、海水或陆栖的腹足纲软体动物，通常有外部包裹的螺旋壳。

The largest known land gastropod is the african giant snail achatina achatina , the largest recorded specimen of which measured 39.3cm ( 15.5 in ) from snout to tail when fully extended , with a shell length of 27.3cm ( 10.75 in ) and weighed exactly 900g ( 2lb )

世界上最大的腹足动物是来自非洲的巨型蜗牛，有记录的最大标本大小为：完全伸展时从鼻子到尾部长39.3厘米（15.5寸）、壳长27.3厘米（10.75寸）、重900克。