noun
tunicates; sea squirts
Scientific term for the subphylum Tunicata (Urochordata). In everyday contexts, ホヤ is more common for individual sea squirts.
See also: 尾索類
被嚢類はホヤやサルパを含む海生動物の一群です。
Tunicates are a group of marine animals that includes sea squirts and salps.
Common word for sea squirt, a representative tunicate. 被嚢類 is the formal taxonomic term.
From 被嚢 (ひのう, 'tunic' or 'covering') + 類 (るい, 'group'), referring to the tunic that covers the body of these animals.