| Citation | Plotkin, A., C. Morrow, E. Gerasimova and H.T. Rapp, 2017 Polymastiidae (Demospongiae:Hadromerida) with ornamented exotyles: areview of morphological affinities anddescription of a new genus and three newspecies. Journal of the Marine Biological Association of the United Kingdom 97(6):1351-1406. |
| Ref. | 123691 Plotkin, A., C. Morrow, E. Gerasimova and H.T. Rapp, 2017 |
| Page | 1364 |
| Named Used as Valid | Sphaerotylus borealis |
| Locality | near Umba, Kandalaksha Bay, White Sea |
| Distribution | Arctic. |