Idas washingtonia (Bernard, 1978)
At 1240 meters in bone pickings from vertebra 21 of decayed 10,000 kg. grey whale carcass, Santa Catalina Basin, 33.12N 118.30W (4.2 mm.). Col. DSV ‘Alvin’, 22 February, 1991. Image copyright 2016 by Simon Aiken and used with permission.