| 1 | All chaetal blades short. Blades of compound chaetae and dorsal simple chaetae with a transluscent hood. Pharyngeal tooth located very far from anterior margin | Streptodonta pterochaeta (Southern, 1914) (1) |
| – | Some chaetal blades distinctly longer than others. Chaetae without hood Pharyngeal tooth located more anteriorly | Streptodonta exsulis Ramos, San Martín & Sikorski, 2010 (12) |
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