Rhynocoris (Rhynocoris) sordidulus (Oshanin, 1871)
- Jansson, A. & M. del C. Coscarón 1989. Lists of the insect types in the Zoological Museum, University of Helsinki. 11. Heteroptera: Reduviidae 55: 3-21. Acta Entomologica Fennica.
- Oshanin, B. 1871. On heteropterous insects of the Zaravshan Valley 8: 194-213. Izvestiya Imperatorskago Obshchestva Lyubitelei Estestvoznaniya, Antropologii i Etnografii pri Imperatorskom Moskovskom Universitete.
- Reuter, O.M. 1909c. Ad cognitionem Reduviidarum palaearcticarum fragmenta 51A(16): 1-30. Öfversigt af Finska Vetenskaps- Societetens Förhandlingar.