You selected Hemigellius plexus (Lundbeck, 1902). This is a synonym for:

Accepted scientific name:
Hemigellius arcofer (Vosmaer, 1885) (accepted name) 2 literature references for Hemigellius arcofer (Vosmaer, 1885)
Synonyms:
Gelliodes consimilis Lundbeck, 1902 (synonym) 2 literature references for Gelliodes consimilis Lundbeck, 1902
Gelliodes plexa Lundbeck, 1902 (synonym) 2 literature references for Gelliodes plexa Lundbeck, 1902
Gellius arcofer Vosmaer, 1885 (synonym) 2 literature references for Gellius arcofer Vosmaer, 1885
Gellius esperi Arnesen, 1903 (synonym) 2 literature references for Gellius esperi Arnesen, 1903
Haliclona arcofera (Vosmaer, 1885) (synonym) 2 literature references for Haliclona arcofera (Vosmaer, 1885)
Haliclona (gellius) arcoferus Vosmaer, 1885 (synonym) 2 literature references for Haliclona (gellius) arcoferus Vosmaer, 1885
Hemigellius arcoferus (Vosmaer, 1885) (synonym) 3 literature references for Hemigellius arcoferus (Vosmaer, 1885)
Hemigellius plexus (Lundbeck, 1902) (synonym) 3 literature references for Hemigellius plexus (Lundbeck, 1902)
Orina consimilis (Lundbeck, 1902) (synonym) 2 literature references for Orina consimilis (Lundbeck, 1902)
Common names: -
Classification:
Animalia
Phylum Porifera
Class Demospongiae
Order Haplosclerida
Family Niphatidae
Genus Hemigellius
Distribution: Arctic Ocean
Additional data: -
Source database: WoRMS Porifera, Oct 2008
Latest taxonomic scrutiny: van Soest R., 19-Nov-2007
Online resource: http://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=166752
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:441f7ff2-52c2-102c-b3cd-957176fb88b9:col20110201