| Micralcinus parvulus (Champion, 1904) |
| Microborus Blandford, 1897 |
| Microborus ambitus Wood, 1969 |
| Microborus mexicanus Wood, 1981 |
| Microcorthylus Ferrari, 1867 |
| Microcorthylus debilis Wood, 1973 |
| Microcorthylus demissus Wood, 1973 |
| Microcorthylus inermis Wood, 1973 |
| Microcorthylus invalidus Wood, 1973 |
| Microcorthylus minimus Schedl, 1950 |
| Microcorthylus vescus Wood, 1973 |
| Microcorthylus vicinus Wood, 1977 |
| Microhyus LeConte, 1876 |
| Microhyus angustatus Champion, 1905 |
| Microhyus montanus Champion, 1905 |
| Microhyus pallidisetis Champion, 1905 |
| Microlarinus Hochhuth, 1847 |
| Microlarinus lareynii (J. DuVal, 1852) |
| Microlarinus lypriformis (Wollaston, 1861) |
| Micromimus Wollaston, 1873 |