Emerita analoga
(Mole crab)
Description: Example of accidental or casual occurrences; periodically appears on outer coast beaches then dies out
![Ophioplocus esmarki (Husky tan serpent star)Description: Possible disjunct distribution. One record at entrance to Quatsino Sound [NW region of Vancouver Island]; other wise known from central California and southward.](https://images.squarespace-cdn.com/content/v1/59233ec8725e25434b7c9b68/1511812429889-SDL9QUYELDFD1B7YCLI3/rare0002.jpg)
Ophioplocus esmarki
(Husky tan serpent star)
Description: Possible disjunct distribution. One record at entrance to Quatsino Sound [NW region of Vancouver Island]; other wise known from central California and southward.
Macrocystis pyrifera
(Giant kelp)
Description: Ophioplocus might be a hitchiker in dislodged kelp holdfast
Ophiopteris papillosa
(Brown spiny brittle star)
Description: Possible disjunct distribution. Occurs in Barkley Sound, SW region of Vancouver Island but otherwise recorded from central California south plus possible record in southern Oregon.
Rhamphidonta retifera (Walking clam)
Description: Possible disjunct distribution. Two records in B.C. and one(?) record in California
Flabellina iodinea
(Spanish shawl sea slug)
Description: Possible disjunct distribution; one record in Esperanza Inlet [NW coast of Vancouver Island; otherwise from California
Hymenamphiastra cyanocrypta
(Blue encrusting sponge)
Description: Possible disjunct distribution. Two records in Barkley Sound, one record in Queen Charlotte Islands, otherwise from California + 1 possible record southern Oregon.
Chelonaplysilla polyraphis
(Purple slippery sponge)
Description: Possible disjunct distribution. Caves on west coast Vancouver Island + subtidal in Queen Charlotte Islands. Otherwise from central California south
Hoploplana californica
(Knobby flatworm)
Description: Possible disjunct distribution; one record subtidal in Barkley Sound; otherwise from California
Calliostoma bernardi
(Beaded white top shell)
Description: Possible disjunct distribution &/or rare 1 record in Strait of Georgia, 1 record in California
Calliostoma platinum
(Similar species)
Description: Moderately common and quite similar to C. barnardi with which it may be confused.
Mursia gaudichaudi
(Laterally spined crab)
Description: Moderately common and quite similar to C. barnardi with which it may be confused.
Arctomelon stearnsi
(Alaskan volute)
Description: At edge of range in Dixon Entrance. Otherwise in Alaska
Ceremaster arcticus
(Arctic cookie star)
Description: At edge of range in northern BC fjords + Race Rocks in Strait of Juan de Fuca. Otherwise in Alaska.
Lebbeus polaris (Polar lebbeid shrimp)
Description: At edge of range in northern BC fjord. Otherwise in Alaska.
Spinther ?alaskensis
(Grub-like sponge worm)
Description: Two specimens recorded in BC.
Pentamera trachyplaca
(Fat pentamera)
Description: Four localities in BC plus in California.
hyonidium kurilensis
(Purple tentacled sea cucumber)
Description: Rare, Spieden I Washington, Alert Bay, BC. + Alaska.
Eudistoma purpuropunctatum (Purple lobular sea squirt)
Description: Few records in BC and Washington.
Discinisca lamellosa
(Smooth tiny lamp shell)
Description: Rare, 2 records in BC at 80m, + in SE Pacific, but small and cryptic.
anleyella oldroydi
(Tiny black spotted sea-cradle)
Description: 5 records in BC, also in California and Alaska; small & cryptic.
Okenia vancouverensis
(Vancouver's okenia sea slug)
Description: 3 records but small and cryptic.
Nyctunguis heathii (Intertidal centipede)
Description: This is common in Calif. But is similar in appearance to a marine centipede in BC which has been recorded only once.
Stylaster sp.
(White stubby hydrocoral)
Description: This species has been recorded only once at Lane Islet in BC.
Anidolyta spongotheres
(Limpet-like yellow sea slug)
Description: This species has been recorded only twice in BC: in Jervis Inlet and off the Queen Charlotte Islands.
Tubularia sp.
(Rasberry solitary hydroid)
Description: This species has been recorded only in the Alert Bay area.
Cuthona punicea
(Pomegranite aeolid sea slug)
Description: This species has been recorded only in the Alert Bay area, it is a predator on Tubularia sp.
Halichondria aff fibrosa
(Thick white felt sponge)
Description: This species has been recorded once in Saanich Inlet.
Pyura cf tesselata
(Brown spot plated sea squirt)
Description: Recorded once in Barkley Sound.
Synhalcurias sp.
(Tall, deep sea anemone)
Description: Recorded only in low oxygen regions in Saanich Inlet.
Megalodicopia hians
(Megabyte sea squirt)
Description: Few records in BC but also known in e.g., California, Antarctica.
Megalodicopia hians
(Megabyte sea squirt)
Description: Close-up
Megalodicopia hians
(Megabyte sea squirt)
Description: Specimens at Monterey Bay Aquarium
Isadella sp.
(Bamboo coral)
Description: Rarely recorded but deep in fjords and off shore seamounts.
Isadella sp.
(Bamboo coral)
Description: Close-up
Antedon cf. petasus
(Brooding feather star)
Description: Two records in northern BC fjords.
(Sand sponge)
Description: 1 individual monitored at 1 site over 20 years.
Grantia sp.
(Flattened sac sponge)
Description: known only from one site.
Pollicipes polymerus
(Pacific goose barnacle)
escription: This species is common but this particular population is.
Hexactinellid sponges
(Six rayed deep sea sponges)
Description: Unique site in Strait of Georgia at 16m where dense population on a fiber mat comparable to habitat in Antarctic.
Rhabdocalyptus dawsoni
(Boot sponge)
Description: Example of one of the hexactinellid sponges.
![APHROCALLISTES VASTUS(CLOUD SPONGE)Description: Another hexactinellid sponge at uniquely shallow [5 m] habitat in Seymour Narrows.](https://images.squarespace-cdn.com/content/v1/59233ec8725e25434b7c9b68/1519854562940-EF5274043C00FMTNB7UM/rare0044.gif)
APHROCALLISTES VASTUS
(CLOUD SPONGE)
Description: Another hexactinellid sponge at uniquely shallow [5 m] habitat in Seymour Narrows.
Heterochone calyx
(Vase sponge)
Description: One of the dominant hexactinellid sponges in a sponge reef some 10 m high and 9000 years old.
Glass sponge reef
Description: 10 m high and up to 9000 years old.
Riftia sp.
(Giant gutless plume worm)
Description: This is similar to another species occurring on vents of BC.
Lepetodrilus corrugatus
(Corrugated limpet)
Description: one record from hydrothermal vents off BC
Sericosura venticola
(Vent sea spider)
Description: Seen at two hydrothermal vents off BC.
SACCOGLOSSUS SP.
(ORANGE ACORN WORM)
Description: Regarded as rare but new records turning up.
Echinorachnius parma
(Regular sand dollar)
Description: Recorded only from Puget Sound and either extirpated or error in locality data; is common in Atlantic.
Pisaster giganteus
(Giant spined sea star)
Description: One record from Saanich inlet in 1896.
Pisaster giganteus
(Giant spined sea star)
Description: Close-up.
Hediste limnicola?
(Colourful red nereid)
Description: May be introduced into BC; recorded from Lost Lagoon in 1936 and from Saanich Inlet in 1995
Cumanotus fernaldi?
(Fernald's sea slug)
Description: May be introduced into BC; recorded from 3 sites in BC.
Ostrea conchaphila
(Native oyster)
Description: Example of species which commercially extirpated; dense populations at a few localities
aliotis kamtschatkana
(NE Pacific abalone)
Description: Example of species which has been commercially extirpated.