| Correct name | Madecorphnus grebennikovi Frolov, Akhmetova & Vishnevskaya, 2020 |
| Citation | Madecorphnus grebennikovi Frolov, Akhmetova & Vishnevskaya, new species |
| Author, year | Frolov, A.V., Akhmetova, L.A. & Vishnevskaya Maria S., 2020 |
| Order | Protologue |
| Origine | Madagascar |
| Bibliography | A new species of the endemic Madagascan scarab beetle genus, Madecorphnus grebennikovi (Coleoptera: Scarabaeidae: Orphninae): morphological description and DNA barcode. |
| Reference | Zootaxa 4808 (2): 373–378. |
| Page | 374 |
| Figure | 1A-F, 2 |