蜘蛛 、 螨等归入蛛形纲.Spiders, mites, etc. come under the head of Arachnida.研究干旱地区蛛形纲动物的含能值变动规律.The energy content and their seasonal variations of Arachnida in arid environment were studied....

“蛛形纲”的拼音为：zhū xíng gāng...

“蛛形纲”的英语可以翻译为：Arachnoidea ...