Collections Search for objects: 1 matching record With image (1) Animal/vegetable/mineral Zoology (1) Taxonomic groups HyrtiosAnimalia (1)Demospongiae (1)Dictyoceratida (1)Hyrtios altus (1)Porifera (1)Thorectidae (1) Name Hyrtios altus (1) Form Fluid (1) Area or Water body Inaccessible Island, Tristan da Cunha, British Overseas Territory (1)Southeast Atlantic Ocean (1) Holding institution National Museum of Ireland - Natural History (1) Sponge (Hyrtios altus) [1]