Type species: Marcusadorea jamaicensis Vieira, Migotto & Winston, 2010
This genus includes the species:
| Marcusadorea corderoi | (Marcus, 1949) | Recent | West Atlantic - Brazil |
| Marcusadorea efatensis | Tilbrook, 2006 | Recent | Solomon Islands, Vanuatu |
| Marcusadorea jamaicensis | Vieira, Migotto & Winston, 2010 | Recent | West Atlantic - Caribbean |
| Marcusadorea tubulosa | (Canu & Bassler, 1928) | Recent | West Atlantic - Brazil |
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