Description: Possible disjunct distribution. Two records in Barkley Sound, one record in Queen Charlotte Islands, otherwise from California + 1 possible record southern Oregon.
Description: Possible disjunct distribution. Caves on west coast Vancouver Island + subtidal in Queen Charlotte Islands. Otherwise from central California south
Description: This species has been recorded once in Saanich Inlet.
Description: 1 individual monitored at 1 site over 20 years.
Description: known only from one site.
Description: Unique site in Strait of Georgia at 16m where dense population on a fiber mat comparable to habitat in Antarctic.
Description: Another hexactinellid sponge at uniquely shallow [5 m] habitat in Seymour Narrows.
Description: One of the dominant hexactinellid sponges in a sponge reef some 10 m high and 9000 years old.
Description: 10 m high and up to 9000 years old.