Notechidnopsis
Notechidnopsis is a group of plants in the family Apocynaceae first described as a genus in 1985. It contains only one recognized species, Notechidnopsis tessellata, native to Cape Province in South Africa.
;formerly included
moved to Richtersveldia
- Notechidnopsis columnaris Lavranos & Bleck synonym of Richtersveldia columnaris Meve & Liede
Phylogenetic studies have shown this genus to most closely related to the stapeliad genera Richtersveldia and Larryleachia. Marginally more distantly related is a sister branch of related genera including Lavrania and Hoodia.