Scientific name: Bispira sp.4
Taxonomy: Kingdom Animalia → Phylum Annelida → Class Polychaeta → Subclass Sedentaria → Infraclass Canalipalpata → Order Sabellida → Family Sabellidae → Subfamily Sabellinae → Genus Bispira
Locations: Eastern Pacific
Group: Marine Life → Invertebrates → Tube Worms
These are much bigger than Spirobranchus spinosus, and less rigid; they blow back and forth in surge. I tend to see them deeper.
There are 2 described species and at least 7 undescribed species in this genus.