Microhexura Idahoana

	Microhexura Idahoana ''Microhexura idahoana'' is a species of mygalomorph spider in the family Microhexuridae. It is found in the United States. References Further reading * * * * * Mygalomorphae Articles created by Qbugbot Spiders described in 1945 Spiders of the United States {{Microhexuridae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Mygalomorphae The Mygalomorphae, or mygalomorphs, are an infraorder of spiders, and comprise one of three major groups of living spiders with over 3000 species, found on all continents except Antarctica. Many members are known as trapdoor spiders due to them forming trapdoors over their burrows. Other prominent groups include Australian funnel web spiders and tarantulas, with the latter accounting for around one third of all mygalomorphs. Description This group of spiders comprises mostly heavy-bodied, stout-legged spiders including tarantulas, Australian funnel-web spiders, mouse spiders, and various families of spiders commonly called trapdoor spiders. Like the " primitive" suborder of spiders Mesothelae, they have two pairs of book lungs, and downward-pointing chelicerae. Because of this, the two groups were once believed to be closely related. Later it was realized that the common ancestors of all spiders had these features (a state known as symplesiomorphy). Following the branching ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Microhexuridae ''Microhexura'' is a genus of tiny North American spiders that was first described by C. R. Crosby & S. C. Bishop in 1925. It is the only genus in the family Microhexuridae. , it contained only two species, both found in the United States: '' M. idahoana'' and '' M. montivaga''. ''M. montivaga'' occurs in the higher peaks of the Blue Ridge Mountains of North Carolina and Tennessee. ''M. idahoana'' occurs farther west, in the Cascades, the Blue Mountains, and the northern Rocky Mountains. ''M. montivaga'' is considered endangered. ''M. idahoana'' is widespread in old growth from Mount Rainier Mount Rainier (), indigenously known as Tahoma, Tacoma, Tacobet, or təqʷubəʔ, is a large active stratovolcano in the Cascade Range of the Pacific Northwest, located in Mount Rainier National Park about south-southeast of Seattle. With a s ... southward. References External linksMicrohexuraat BugGuide Mygalomorphae Mygalomorphae genera {{Mygalomorphae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
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picture info	Spiders Described In 1945 Spiders (order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every land habitat. , 50,356 spider species in 132 families have been recorded by taxonomists. However, there has been debate among scientists about how families should be classified, with over 20 different classifications proposed since 1900. Anatomically, spiders (as with all arachnids) differ from other arthropods in that the usual body segments are fused into two tagmata, the cephalothorax or prosoma, and the opisthosoma, or abdomen, and joined by a small, cylindrical pedicel, however, as there is currently neither paleontological nor embryological evidence that spiders ever had a separate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]