ostracod

/os-truh-kod/US // ˈɒs trəˌkɒd //UK // (ˈɒstrəˌkɒd) //

螺线虫,螺号,螺柱动物,螺柱虫

Definitions

n.名词 noun

Like the ostracod, the adult cirriped bears little external resemblance to the trilobite.
Animals which do not adhere are generally those (such as ostracod crustacea) which have a hard integument without weak spots.
From the superficial resemblance of the shell to that of an Ostracod, this is known as the cypris stage.
The most beautiful examples of luminous secretions are found among the ostracod crustacea.