| Pterothamnion heteromorphum (J. Agardh) Athanas. & Kraft, 1994 |
| Pterothamnion orbignianum (Mont.) Nägeli, 1862 |
| Pterothamnion pectinatum (Kylin) Athanas. & Kraft, 1994 |
| Pterothamnion plumula (Ellis) Nägeli, 1855 |
| Pterothamnion tepocense (E.Y. Dawson) Athanas. & Kraft, 1994 |
| Pterothamnion villosum (Kylin) Athanas. & Kraft, 1994 |
| Stirkia Barros-Barreto & Maggs, 2023 |
| Stirkia horrida (Setchell & N.L.Gardner) Barros-Barreto & Maggs, 2023 |
| Stirkia horridula (P.C.Silva) Barros-Barreto & Maggs, 2023 |
| Stirkia interrupta Barros-Barreto & Maggs, 2023 |
| Stirkia sinicola (Setchell & N.L.Gardner) Barros-Barreto & Maggs, 2023 |
| Yoneshiguea Barros-Barreto, Maggs & M.A.Jaramillo, 2023 |
| Yoneshiguea affinis (Setchell & N.L.Gardner) Barros-Barreto, Maggs & M.A.Jaramillo, 2023 |