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Science.Zoology.
spider Arachnids.
Subdivisions
Order Araneae (True Spiders).
Order Opiliones (Harvestmen).

Sources and Links
Newest Titles
Trap-Door SpidersTrap-Door Spiders are so-named because of their habit of digging a burrow into the ground, which is lined with silk, and capping the burrow with a trap-door made from layers of silk and earth.
About the Order OpilionesAbout the Order Opiliones Opiliones is the scientific name for a group of arachnids commonly known as harvestmen and/or daddy long-legs. Although they look like spiders, they are not. Spiders have two body parts, while harvestmen have only one body part. In addition, spiders have two fangs and produce silk, while harvestmen have no fangs and do not produce silk.
THE ROBINSON LIBRARY --> Science. --> Zoology.

This page was last updated on 10/07/2010.