Haaseidae

Haaseidae is a family of millipedes belonging to the order Chordeumatida. These millipedes are found in central and southeastern Europe. Adult millipedes in this family range from 4.5 mm to 12 mm in length and have either 28 or 30 segments (counting the collum as the first segment and the telson as the last).

Genera:
 * Deuterohaasea Verhoeff, 1898
 * Haasea Verhoeff, 1895
 * Heterohaasea
 * Hylebainosoma Verhoeff, 1899
 * Rhopalogona Silvestri, 1898
 * Romanosoma Ceuca, 1967
 * Xiphogona Cook & Collins, 1895
 * Xylophageuma Verhoeff, 1911