appendage GRE

A jawlike appendage of an arthropod.

括在节肢动物一族；小蜂科之蜂。

Petals 5, differing slightly in size, imbricate, sometimes unguiculate, free, keel without apical appendages.

瓣5，在尺寸方面的不同稍，覆瓦状，有爪，离生，没有顶端附属物的脊。

In hemicephalous larvae, the head and its appendages are reduced and partially retracted into the thorax.

半头型无足幼虫头部部分退化，后端缩入胸部，如双翅目的大蚊及一些寄生性膜翅目幼虫。

The thorax and pleon bear a number of lateral appendages, including the gills, and the tail ends with a telson.

另一个古老的特征是甲壳亚门动物分叉的足，这样的足在化石中的三叶虫就已经有了。