https://sponges-ne-atlantic.linnaeus.naturalis.nl/linnaeus_ng/app/views/species/nsr_taxon.php?id=116382&cat=TAB_DESCRIPTION
Sponges of the North East Atlantic 2.0: Stelligera stuposa
the north eastspongesatlanticstelligera
https://www2.habitas.org.uk/marbiop-ni/photo.php?item=sc0075
MBDP-NI: Stelligera stuposa - Photograph
mbdpstelligeraphotograph