None given, but elsewhere the author notes "the palpi are the longest known in any species of the genus" (p. 404) [details]
off San Diego, California, USA, 32°42'N 117°16'W, kelp holdfasts, 1898, S.J. Holmes [details]
off La Jolla, station 1124, southern California, 32°55.1'N 117°18.5'W, 292 m [details]