Key to genera of Striariidae

1a. Ninth legs of males with telopodites, coxae and sternum fused; gonopod anterior angiocoxites divided into mesal and lateral branches; flagellocoxites absent....................................................... Subfamily Trisariinae, 2.

1b. Ninth legs of males with all elements free; gonopod anterior angiocoxites not divided; flagellocoxites present............................................................................................. Subfamily Striariinae, 3.

2a. Second crests of metazonites much larger than the others............................................ Stegostriaria .

2b. All metazonital crests similar in size................................................................ Trisaria .

3a. Second, and on some rings, third crests of metazonites larger than others; 29 thoracic rings................ Kentrostriaria .

3b. All metazonital crests similar in size; 30 thoracic rings........................................................4.

4a. Gonopod anterior angiocoxites with a distal crown of stout spines......................................... Striaria .

4b. Gonopod anterior angiocoxites without such a crown of spines.......................................... Amplaria .