Material. Holotype: CANADA: British Columbia. Nootka District, Bajo Point Locality, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26.vi. 1934, stolonal colony on calcareous algae (Bossiella sp.), with gonothecae (ROMIZ B 3868).
Paratypes: CANADA: British Columbia. Nootka District, Bajo Point Locality, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26.vi. 1934, stolonal colony on calcareous algae (Bossiella sp.), with gonothecae (ROMIZ B 3869); stolonal colony on calcareous algae (Bossiella sp.), with gonothecae (ROMIZ B 3870); stolonal colony on calcareous algae (Bossiella sp.), with gonothecae (ROMIZ B 3871); single polyp on pedicel, gonotheca attached (ROMIZ B 3872). CANADA: British Columbia. Queen Charlotte Land District, Swan Hill Locality. 54 ˚07’00”N, 131 ˚ 36 ’00”W, 21.iv. 1961, 16.5 meters, stolonal colony, growing on calcareous algae (Bossiella sp.), no gonothecae (ROMIZ B 3876), coll. D.B. Quayle; 54 ˚07’N, 131 ˚ 36 ’W, 21.iv. 1961, 16.5 meters, coll. D.B, Quayle; stolonal colony, growing on calcareous algae (Bossiella sp.), no gonothecae (RBCM 011-00161-001). Other material: CANADA: British Columbia. Nootka District, Bajo Point Locality, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26.vi. 1934, stolonal colony on Bryozoa, no gonothecae, Orthopyxis everta (Clark, 1876) also present on Bryozoa (ROMIZ B 3873). CANADA: British Columbia. Nootka District, Bajo Point Locality, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26.vi. 1934, stolonal colony on calcareous algae (Bossiella sp.), no gonothecae, Orthopyxis everta (Clark, 1876) and Symplectoscyphus turgidus (Trask, 1857) also present (ROMIZ B 3874). CANADA: British Columbia. Nootka District, Bajo Point Locality, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26.vi. 1934, stolonal colony on Symplectoscyphus turgidus (Trask, 1857) gonotheca (ROMIZ B 3875). CANADA: British Columbia. Nootka District, Bajo Point Locality, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26.vi. 1934, stolonal colony on calcareous algae (Bossiella sp.), no gonothecae (ROMIZ B 3878). CANADA: British Columbia. Queen Charlotte Land District. Masset Harbor, 14. ix. 1935, stolonal colony on Symplectoscyphus tricuspidatus (Alder, 1856), without gonothecae, ROMIZ B 3877. CANADA: British Columbia. Queen Charlotte Land District. Masset Harbor, 14. ix. 1935, single polyp on pedicel, epizoic on Abietinaria filicula (Ellis & Solander, 1786), without gonothecae, ROMIZ B 4049. CANADA: British Columbia. Queen Charlotte Land District. Masset Harbor, 14. ix. 1935, stolonal colony, creeping on Symplectoscyphus tricuspidatus (Alder, 1856), without gonothecae, ROMIZ B 4050. CANADA: British Columbia. Nootka Island. Bajo Point, 49 ˚ 36 ’ 45 ”N, 126 ˚ 49 ’00”W, 26. vi. 1934, stolonal colony and short hydrocaulus, epizoic on hydroid (Aglaophenia sp), with gonotheca, CMNI 1982 - 1338 (as Sertularella rugosa). CANADA: British Columbia. Queen Charlotte Land District, Swan Hill Locality. 54 ˚07’00”N, 131 ˚ 36 ’00”W, 21.iv. 1961, 16.5 meters, stolonal colony, growing on Abietinaria turgida (Clark, 1877), no gonothecae, coll. D.B. Quayle (ROMIZ B 3879). CANADA: British Columbia. Louie Creek (west of Nuchatlitz Inlet), 26. vi. 1961, stolonal colony and short hydrocaulus, growing on calcareous algae (Bossiella sp.), numerous gonothecae, coll. D.B. Quayle, CMNI 1982 - 1452.
Reported distribution. Canada: British Columbia. Masset Harbour, at the Dixon Entrance to Hecate Strait; Off Nootka Island (Choong et al. 2012).
Remarks. For description and figures of this species, see Choong et al. (2012). In addition to the existing holotype and paratypes in the original description, additional specimens identified are listed in the preceding “Material” section.