CCDB → Bryophytes → Pottiaceae → Merceya
| Taxon name | Status | Median (n) |
| Merceya longirostris (Griff.) Wijk & Margad. | Accepted | 13 |
| Merceya gedeana (S. Lac.) Nog. | Synonym of Scopelophila cataractae (Mitt.) Broth. | 13 |
| Merceya ligulata (Spruce) Schimp. | Synonym of Scopelophila ligulata (Spruce) Spruce | 13 |