GoweroconchaGoweroconcha is a genus of three species of pinwheel snails that are endemic to Australia's Lord Howe Island in the Tasman Sea.SpeciesGoweroconcha waterhousiae – cinnamon-zigzag pinwheel snailGoweroconcha wenda Iredale, 1944 – pale-zigzag pinwheel snailGoweroconcha wilsoni Iredale, 1944 – '''Wilson's pinwheel snail'''