mygalomorph
noun
myg·a·lo·morph
ˈmi-gə-lō-ˌmȯrf
plural mygalomorphs
: any of various widely distributed, typically large, ground-dwelling, nocturnal spiders (infraorder or suborder Mygalomorphae) that construct silk-lined burrows or chambers, feed on small animals (such as insects, frogs, or mice), and include the tarantulas and trapdoor spiders
The mygalomorphs comprise some 2,200 species of mostly large burrowers.—Norman Patnick
… I wonder what the warmly biophilic E. O. Wilson would do if he found a hairy mygalomorph in his shoe closet.—Chet Raymo
—often used before another nounmygalomorph spiders
mygalomorph behavior
Note: Mygalomorphs are considered primitive spiders and are distinguished by two pairs of book lungs, two parallel, downward-pointing chelicerae tipped with venomous fangs, and only one or two pairs of spinnerets.
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Merriam-Webster unabridged
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