KEY TO THE KNOWN SPECIES OF MICROANANTERIS LOURENÇO, 2003

1. Dorsal carinae of metasomal segments II to IV with weak or moderately marked spinoid granules; femur trichobothria d 5 and e 1 aligned at the same level or with d 5 slightly distal in relation to e 1 .................................... 2

— Dorsal carinae of metasomal segments II to IV with strongly marked spinoid granules; femur trichobothrium d 5 distal in relation to e 1 ..................................................................................................... M. serrulata n. sp.

2. Anterior margin of carapace with a weak median concavity; sternite VII with weak carinae and granulations ... .............................................................................................................................. M. minor Lourenço, 2003

— Anterior margin of carapace straight; sternite VII with a few granules but without carinae .... M. inselberg n. sp.