genus large spiders found caves southwestern oregon sole genus family includes species spiders predominantly yellow brown color maximum leg span remarkable having hook like claws segments legs belongs new spider families described specific honor amateur cave biologist deputy sheriff discovery spiders collected cave described research team consisting male recovered cave near oregon july female recovered cave oregon september lead researcher claimed explain legends giant cave spiders area discovery notable new spider families described american commented fascinating discovery new dinosaur taxonomy includes species genus family initially suggested primitive member eyed spider exhibits unique features including primitive respiratory systems justify assignment separate family family probably diverged spiders million years ago notable taxon north_america study based dna found fell outside concluded included clade specific honor generic means cave reference spider habitat hooked distribution additional live specimens recovered oregon found deep inside caves single juvenile specimen recovered debris old growth forests northwest california found outside caves specimen different markings represent new species family wider distribution given forests encompassed far greater area north_america species present caves description eyes body length males females legs spider reach length entire body yellow brown dark brown shaped mark orange brown purple brown abdomen series faint light colored markings pear shaped heart shaped abdomen oval sparsely covered small males possess enlarged spiders unique flexible hook like claws segments legs elongated claws resemble spiders family australia new_zealand families related hooked claws present lesser extent unrelated genera ecology spin simple strands hung roofs caves stated claws significant function capturing prey similar nelson cave spider new_zealand probably upside passing flying insects claws exact prey remains unknown captured live specimens raised climate controlled laboratory conditions effort find specimens offered spiders food declined specimens weeks indicate preference specific prey like spiders possess venom venom known harmful humans spiders shy immediately flee illumination
Trogloraptor