| Name | Acanthonychia (de Candolle) Rohrbach | 
| Authorship | (de Candolle) Rohrbach | 
| Rank | Genus | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Caryophyllaceae | 
| Contains | Acanthonychia polycnemoides (Schltdl.) Rohrb. Acanthonychia ramosissima (Weinm.) Rohrb. Acanthonychia sp. | 
| Remarks | = Pentacaena Bartling 1831 | 
| Citation | 01 Feb 1872 Fl. Bras. [Martius] 14(2): 247 |