Lithops turbiniformis var. subfenestrata de Boer in Succulenta (Netherlands) 1964: 53. 1964
Lithops turbiniformis var. subfenestrata in Succulenta (Netherlands) 1964: 53. 1964
is basionym for Lithops hookeri var. subfenestrata, Lithops Flowering Stones: 231. 1988