Placiphorella rufa
Berry, 1917
Specimen pictured with its anterior girdle "flap" up in ambush position! SCUBA at a depth of 20 meters, Irishman's Hat, Unalaska Island, Aleutian Islands, 7/8/2006 during EPA Aleutian Islands EMAP survey (40 mm.). Photograph by Heloise Chenelot.