trigonotarbid

名词 n.

英文释义

名词 n.
  1. Any a group of extinct arachnids (order Trigonotarbida) of the late Silurian and early Permian periods, resembling spiders but without silk-producing spinnerets.
    — Around 70 different species of trigonotarbids have been recognised, mostly from the Carboniferous period, but some representatives are even older than the Rhynie Chert, pushing the origins of spider-like land animals back into the Silurian Period.

词形变化

trigonotarbids plural

词源

From order name Trigonotarbida.
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