Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
Ceratogymna atrata | 554465 | (Temminck, 1835) | Black-casqued Hornbill Black-casqued Wattled Hornbill | ITIS | valid | | Species |
Ceratogymna elata | 554466 | (Temminck, 1831) | Yellow-casqued Hornbill Yellow-casqued Wattled Hornbill | ITIS | valid | | Species |