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CCDB → Angiosperms → Compositae → Tetrachyron
| Taxon name | Status | Median (n) |
| Tetrachyron brandegei (Greenm.) Wussow & Urbatsch | Accepted | 15 |
| Tetrachyron manicatum Schltdl. | Accepted | 16 |
| Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | Accepted | 16 |
| Tetrachyron brandegei (Greenm.) Wussou & Urbatsch | Synonym of Tetrachyron brandegei (Greenm.) Wussow & Urbatsch | 15 |
| Calea guatemalensis D. Sm. | Synonym of Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16 |
| Tetrachyron orizabaensis var. orizabaensis | Synonym of Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch | 16 |