蛛形纲 (蛛形綱) zhūxínggāng

zhūxínggāng proper noun Arachnida
Domain: Modern Chinese 现代汉语 , Subdomain: Zoology , Concept: Class 纲
Notes: A class of invertebrate 无脊椎动物 that includes spiders 蜘蛛 and scorpions 蝎子 (Wikipedia '42549')