Medaeus

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 ornatus Dana, 1852
 * Medaeus pelagius (Glassell, 1936)
 * Medaeus spinulifer (Rathbun, 1898)