| Medaeus | |
|---|---|
 | |
| Medaeus ornatus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Xanthidae |
| Subfamily: | Euxanthinae |
| Genus: | Medaeus Dana, 1851 |
Medaeus is a genus of crabs in the family Xanthidae, containing the following species:
- Medaeus aztec Davie, 1997
- Medaeus danielita Mendoza & Ng, 2010
- Medaeus elegans A. Milne-Edwards, 1867
- Medaeus grandis Davie, 1993
- †Medaeus granulosus Martin, 1880
- †Medaeus mbalavuensis Rathbun, 1945
- Medaeus ornatus Dana, 1852
- †Medaeus variabilis Rathbun, 1945
