Crucigera zygophora or Crucigera irregularis - Yoke-bearer calcareous tubeworm

Crucigera zygophora (Johnson, 1901) or Crucigera irregularis Bush, 1905

Yoke-bearer calcareous tubeworm 

Rock Bay, Vancouver Island, Canada, 31-7-2012. On the right specimen A, on the left specimen B.

Rock Bay, Vancouver Island, Canada, 31-7-2012. Specimen A.

Rock Bay, Vancouver Island, Canada, 31-7-2012. Specimen B.