Striariidae Bollman, 1893

Shear, William A. & Marek, Paul E., 2022, The millipede family Striariidae Bollman, 1893. VI. Six new genera and thirteen new species from western North America (Diplopoda, Chordeumatida, Striarioidea), Zootaxa 5205 (6), pp. 501-531 : 503

Family Striariidae Bollman, 1893

Key to genera of Striariidae

Names in bold italics are of genera described in this paper.

1a. Ninth legs of males with telopodites, coxae and sternum fused or free; gonopod flagellocoxites absent................................................................................................... Subfamily Trisariinae , 2.

1b. Ninth legs of males with all elements, or at least telopodites free; gonopod flagellocoxites present.. Subfamily Striariinae , 4.

2a. Some crests of metazonites much larger than the others.......................................................3.

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

3a. Sixth and second crests larger than others................................................... Nototrisaria n. gen..

3b. Sixth crests not enlarged...................................................................... Stegostriaria.

4a. On some rings, second and third crests of metazonites larger than others............................... Kentrostriaria.

4b. All crests subequal, or only sixth crests enlarged.............................................................5.

5a. 10–25 mm long.......................................................................................6.

5b. 5 mm long, or smaller..................................................................................7.

6a. Gonopod anterior angiocoxites with a distal crown of stout spines......................................... Striaria .

6b. Gonopod anterior angiocoxites without such a crown of spines.......................................... Amplaria .

7a. Sixth crests of metazonites enlarged, paranota-like...........................................................8.

7b. All metazonital crests similar in size.....................................................................10.

8a. Three ommatidia on each side of head........................................................ Rampalia n. gen..

8b. Two ommatidia on each side of head......................................................................9.

9a. Gonopod anterior angiocoxites densely fimbriate on posterior surface............................... Lamparia n. gen..

9b. Gonopod anterior angiocoxites sigmoid....................................................... Plaramia n. gen..

10a. Gonopod anterior angiocoxites reflexed dorsally................................................ Maraplia n. gen..

10b. Gonopod anterior angiocoxites not reflexed, gonopods compact................................... Ralampia n. gen..