Higher Classification: > Kingdom Animalia > Subkingdom Parazoa > Phylum Porifera > Subphylum Cellularia > Class Demospongiae > Subclass Heteroscleromorpha > Order Polymastiida > Family Polymastiidae > Genus Polymastia

Polymastia hemisphaerica (Sars, 1872)

Rank: Species
Taxon Status: accepted

Original genus

Trichostemma Sars, 1869

Relationships towards this taxon

Genus group names

*Polymastia*	Bowerbank, 1862	accepted genus name
*Rinalda*	Schmidt, 1870	synonym
*Trichostemma*	Sars, 1869	synonym

Literature

additional source	Topsent, E. (1892). Contribution à l'étude des Spongiaires de l'Atlantique Nord (Golfe de Gascogne, Terre-Neuve, Açores). Résultats des campagnes scientifiques accomplies par le Prince Albert I. Monaco. 2: 1-165, pls I-XI.
additional source	Koltun, V.M. (1966). Four-rayed sponges of Northern and Far Eastern seas of the USSR (order Tetraxonida). Opredeliti Faunei SSSR 90. (Zoological Institute of the Academy of Sciences of the USSR: Moscow, Leningrad): 1-112.
additional source	Rezvoi, P. (1924). Contribution towards the sponge fauna of the Kara and Barents Seas (In Russian with English summary). Bulletin de l'Institut Lesshaft. 8: 241-250.
additional source	Van Soest, R.W.M. (2001). Porifera, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels. 50: 85-103.
additional source	Vosmaer, G.C.J. (1885). The Sponges of the 'Willem Barents' Expedition 1880 and 1881. Bijdragen tot de Dierkunde. 12 (3): 1-47, pls I-V.
source of synonymy	Plotkin, A.; Gerasimova, E.; Rapp, H.T. (2018). Polymastiidae (Porifera: Demospongiae) of the Nordic and Siberian Seas. Journal of the Marine Biological Association of the United Kingdom. 98 (6), 1273–1335.

Genbank

Citation

de Voogd, N.J.; Alvarez, B.; Boury-Esnault, N.; Cárdenas, P.; Díaz, M.-C.; Dohrmann, M.; Downey, R.; Goodwin, C.; Hajdu, E.; Hooper, J.N.A.; Kelly, M.; Klautau, M.; Lim, S.C.; Manconi, R.; Morrow, C.; Pinheiro, U.; Pisera, A.B.; Ríos, P.; Rützler, K.; Schönberg, C.; Turner, T.; Vacelet, J.; van Soest, R.W.M.; Xavier, J. (2025). World Porifera Database. Polymastia hemisphaerica (Sars, 1872). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:134200