Template:Bechly & Sach, 2002
- Bechly, G. & Sach, V.J. 2002. An interesting new fossil dragonfly (Anisoptera: Libellulidae: “Brachydiplacini”) from the Miocene of Germany, with a discussion on the phylogeny of Tetrathemistinae and a fossil list for the locality Heggbach. Stuttgarter Beiträge zur Naturkunde, Serie B 325: 1–11. PDF.