†Cancrinella gyrandensis Wass 1966

†Cancrinella magniplica Campbell 1953

†Echinalosia minima Maxwell 1954

†Echinalosia ovalis Maxwell 1954

†Lissochonetes semicircularis Campbell 1953

†Streptorhynchus pelicanensis Fletcher et al. 1952

†Terrakea dickinsi Dear 1971

†Terrakea elongata Etheridge Jr. and Dun 1909

†Terrakea exmoorensis Dear 1971

†Terrakea solida Etheridge Jr. and Dun 1909

†Wyndhamia blakei Dear 1971

†Wyndhamia clarkei Etheridge 1872