Taracus marchingtoni | |
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An adult T. marchingtoni clinging to a wall inside Lava River Cave. | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Chelicerata |
Class: | Arachnida |
Order: | Opiliones |
Family: | Taracidae |
Genus: | Taracus |
Species: | T. marchingtoni
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Binomial name | |
Taracus marchingtoni Shear, 2016
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Taracus marchingtoni is a genus of harvestman found in the lava caves of semi-arid and arid regions of central Oregon.[1] It belongs to the family Taracidae and was first collected by Jean and Wilton Ivie in 1965 in Lava River Cave but not identified as a new species until collected by Neil Marchington of the Oregon High Desert Grotto in 2008.[1][2] Its range is suspected to be the surrounding areas of Newberry Volcano.[1] It has enlarged but thin chelicerae, typically equal to or longer than the entire length of the body, and in small-bodied males nearly three times as long.[1] The harvestman is troglobiotic and has a predominantly white abdomen, black chelicerae, and highly reduced eye size.[1] T. marchingtoni has been observed feeding on small troglophilic millipedes identified as Plumatyla humerosa of the Conotylidae family.[1]