Demidovia
| Demidovia Pallas, Enum. Hort. Demidof 150, t. 1. 1781. | | TYPE: Demidovia tetragonioides Pallas |
Ludolfia
| Ludolfia Adanson, Fam. Pl. 2: 244, 573. 1763. | | TYPE: = Tetragonia Linnaeus 1753. |
Tetragonella
| Tetragonella Miquel, in Lehmann, Pl. Preiss. 1: 245. 1845. | | TYPE: Tetragonella amplexicoma Miquel |
Tetragonocarpus
| Tetragonocarpus Miller, Gard. Dict. Abr., ed. 4. 1754. | | TYPE: = Tetragonia Linnaeus 1753. |
Tribulocarpus
| Tribulocarpus S. Moore, J. Bot. 59: 228. 1921. | | TYPE: Tribulocarpus dimorphanthus (Pax) S. Moore (Tetragonia dimorphantha Pax) |