Scissurella clathrata Scissurella marshalli Scissurella prendrevillei Scissurella costata Scissurella kaiserae Scissurella lobini Scissurella azorensis Scissurella lorenzi Scissurella alto Scissurella maraisorum Scissurella quadrata Scissurella georgica Scissurella spinosa Scissurella evaensis Scissurella cebuana Scissurella sudanica Scissurella mantelli Scissurella petermannensis Scissurella manawatawhia Anatoma tenuis