Fend, S.V., Liu, Y., Steinmann, D., Giere, O., Barton, H.A., Luiszer, F. and Erséus, C. 2016. Limnodrilus sulphurensis n. sp., from a sulfur cave in Colorado, USA, with notes on the morphologically similar L. profundicola (Clitellata, Naididae, Tubificinae). Zootaxa. 4066, 4 (Jan. 2016), 451–468. DOI:https://doi.org/10.11646/zootaxa.4066.4.6.