This page represents the following TreeOfLife-200M taxonomic path.[1]
Specimen images available for Axinyssa mertoni (museum-preserved material) show sponge habit typically represented as an encrusting or massive form with a rough, irregular surface texture typical of demosponges (order Suberitida).
GBIF lists Axinyssa mertoni (Hentschel, 1912) as an accepted species name, with the basionym Ciocalypta mertoni Hentschel, 1912.