sea thread hydroid
- kingdom: Animalia
- phylum: Cnidaria
- class: Hydrozoa
- order: Leptothecata
- family: Campanulariidae
- genus: Obelia
- species: Obelia dichotoma
Coquimbo
Coquimbo Region- Calbuco
- Puerto Montt
Los Lagos Region
Chile
Bösleben-Wüllersleben- Osthausen-Wülfershausen
Thuringia
Germany
Wassenaar
South Holland
Netherlands
Dutch Harbor- Sitka
- Unalaska
Alaska- Branford
- Branford Center
Connecticut- Hickam Housing
- Iroquois Point
Hawaii- Gloucester
- Provincetown
Massachusetts- Galveston
Texas- Seattle
- Southworth
Washington
United States
Donsö