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Arachnid
Arachnida () is a class of joint-legged invertebrate animals (arthropods), in the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks, mites, pseudoscorpions, harvestmen, camel spiders, whip spiders and vinegaroons. Almost all adult arachnids have eight legs, although the front pair of legs in some species has converted to a sensory function, while in other species, different appendages can grow large enough to take on the appearance of extra pairs of legs. The term is derived from the Greek word (''aráchnē'', 'spider'), from the myth of the hubristic human weaver Arachne, who was turned into a spider. Almost all extant arachnids are terrestrial, living mainly on land. However, some inhabit freshwater environments and, with the exception of the pelagic zone, marine environments as well. They comprise over 100,000 named species, of which 47,000 are species of spiders. Morphology Almost all adult arachnids have eight legs, unlike adult inse ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chernetidae
The Chernetidae are a family of pseudoscorpions with over 650 described species and 110 genera. Subfamilies Subfamilies and genera include: ;Chernetinae Chernetinae is a subfamily of pseudoscorpions in the family Chernetidae. Genera - '' Acanthicochernes'' - '' Acuminochernes'' - '' Adelphochernes'' - '' Americhernes'' - '' Anaperochernes'' - '' Antillochernes'' - '' Apatochernes'' - '' Astero ... ; Goniochernetinae * '' Calymmachernes'' Beier, 1954 * '' Conicochernes'' Beier, 1948 * '' Goniochernes'' Beier, 1932 ; Lamprochernetinae * '' Allochernes'' Beier, 1932 * '' Anthrenochernes'' Lohmander, 1939 * '' Bipeltochernes'' Dashdamirov, 2005 * '' Lamprochernes'' Tömösváry, 1882 * '' Lasiochernes'' Beier, 1932 * '' Megachernes'' Beier, 1932 * '' Nudochernes'' Beier, 1935 * '' Pselaphochernes'' Beier, 1932 References Pseudoscorpion families {{Pseudoscorpion-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
