Eric Walker added Giant barrel sponge - Wikipedia to Giant barrel sponge

Eric Walker added Sponges can survive massive doses of radiation without getting cancer | New Scientist to Cancer and Giant barrel sponge

Eric Walker added Sponges can survive massive doses of radiation without getting cancer | New Scientist and Giant barrel sponge - Wikipedia to Giant barrel sponge, and added Giant barrel sponge to Xestospongia

Eric Walker added Giant barrel sponge to Xestospongia, and added Xestospongia to Petrosiidae