Как по Английски будет aracnida

Как переводится Arachnida на Русский язык:

Что значит Arachnida в Английском языке:

plural noun

A class of chelicerate arthropods that includes spiders, scorpions, mites, and ticks. they have become adapted for a terrestrial life and possess both lungs and tracheae, and many have silk or poison glands.

Примеры использования:

The arachnida include the terrestrial chelicerates that everyone is familiar with, and that nearly …