Fig. 1

Localities and habitats of two Halomonhystera species. a position of Håkon Mosbi, site of H. hermesi sp. n. (1) and White Sea, site of H. socialis (2); b area with whitish bacterial mat in the caldera of Håkon Mosbi, habitat of H. hermesi sp. n.; c accumulation of detached kelp in the White Sea, habitat of H. socialis