Didymaotus Didymaotus N.E.Br. in Gard. Chron., ser. 3, 78: 433. 1925 sec. Hartmann 20171Type: Didymaotus lapidiformis (Marloth) N.E.Br.1. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContentNotes Notes The phylogenetic position of this monotypic genus remains largely unresolved (Klak & al. 2013).