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Find-a-spider by family
This page lists all of the species presented for each of the spider families included in this website.
The Mygalomorphae
This name is given to the group of families that are considered to be
comparatively primitive. They have two pairs of book lungs on the
underside of the abdomen, fangs that operate vertically in a paraxial
fashion, and no obvious female epigynum. They usually live in burrows
either in the ground or in crevices in tree trunks because they cannot
tolerate conditions that lead to desiccation (drying out).
The Araneomorphae
This name refers to the spider families that are considered modern (or
advanced) and can tolerate exposed habitats that promote
desiccation. Araneomorphs have only one pair of book lungs, fangs that
operate in pincer-like diaxial fashion, and a distinctive
epigynum on the underside of the female abdomen.
Email Ron Atkinson for more information.
Last updated 7 February 2023.
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