You selected Iotroata topsenti (Burton, 1930). This is a synonym for:

Accepted scientific name:
Hymetrochota topsenti (Burton, 1930) (accepted name) 3 literature references for Hymetrochota topsenti (Burton, 1930)
Synonyms:
Hymenotrocha topsenti Burton, 1930 (synonym) 2 literature references for Hymenotrocha topsenti Burton, 1930
Iotroata topsenti (Burton, 1930) (synonym) 2 literature references for Iotroata topsenti (Burton, 1930)
Common names: -
Classification:
Animalia
Phylum Porifera
Class Demospongiae
Order Poecilosclerida
Family Iotrochotidae
Genus Hymetrochota
Distribution: Norway
Additional data: -
Source database: WoRMS Porifera, Oct 2008
Latest taxonomic scrutiny: van Soest R., 23-May-2007
Online resource: http://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=133836
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:e42dbdc4-29c1-102b-9a4a-00304854f820:col20110201