The species was originally described as Notocactus minimus by Frič & Kruizinger in 1940, based on a description by Bruining.

[2] In 1997, based on Ritter's earlier description, D. R. Hunt classified the species as Parodia tenuicylindrica.

[1] The species produces lemon yellow flowers (which are up to 4.3 centimetres (1.7 in) long) and greenish-yellow fruits.

[1] Parodia tenuicylindrica can be found growing solitarily in Rio Grande do Sul, Brazil.

[1] It is currently classified as Endangered (EN) on the IUCN Red List, with major threats reported to be fires, cattle grazing due to trampling, agriculture, and forestry.