(Greek mythology) a Titaness and sea goddess; wife of Oceanus
type genus of the family Aplysiidae
造句
A wide Tethys ocean separated the northern continents from Gondwana. 寬廣的古地中海將北方大陸與岡瓦那大陸分隔開。
As a relict of the Tethys flora, it has considerable scientific significance in studies of the desert flora of central Asia. 也為古地中海殘遺，對于研究亞洲中荒漠植物區系具有一定的科學價值。