| Arthrothamnus | |
|---|---|
| Scientific classification | |
| Kingdom: | Chromalveolata |
| Division: | Heterokontophyta |
| Class: | Phaeophyceae |
| Order: | Laminariales |
| Family: | Laminariaceae |
| Genus: | Arthrothamnus Ruprecht, 1848 |
Arthrothamnus is a genus of brown alga comprising approximately 2 species. It includes the algae commonly known as nekoashi-kombu, oarweed and chishima-nekoashi-kombu. Bifurcariopsis reproduces by means of conceptacles; it produces tetraspores and dispores and carpospores.
The two species currently recognised are A. bifidus and A. kurilensis.