trigonotarbid

词形变化

trigonotarbids 复数 trigonotarbids

释义与例句

n.
  1. 1.

    Any a group of extinct arachnids (order Trigonotarbida) of the late Silurian and early Permian periods, resembling spiders but without silk-producing spinnerets.

词源

From order name Trigonotarbida.

来源：wiktionary