1967

• Kristensen, N.P. 1967. Erection of a new family in the lepidopterous suborder Dacnonypha. Entomologiske meddelelser 35: 341–345. [Not seen] Reference page. 

1979

• Kristensen, N.P. & Nielsen, E.S. 1979. A new subfamily of micropterigid moths from South America. A contribution to the morphology and phylogeny of the Micropterigidae, with a generic catalogue of the family (Lepidoptera: Zeugloptera). Steenstrupia 5: 69–147. Reference page. 

1982

• Kristensen, N.P. & Nielsen, E.S. 1982. South American micropterigid moths: two new genera of the Sabatinca- group (Lepidoptera: Micropterigidae). Entomologica Scandinavica 13: 513–529. Abstract. Reference page. 

1984

• Kristensen, N.P. 1984. Studies on the morphology and systematics of primitive Lepidoptera (Insecta). Steenstrupia 10: 141–191. Reference page. 

• Kristensen, N.P. 1984a. Skeletomuscular anatomy of the male genitalia of Epimartyria (Lepidoptera: Micropterigidae). Entomologica Scandinavica 15: 97–112. Abstract. Reference page. 

• Kristensen, N.P. 1984b. The male genitalia of Agathiphaga (Lepidoptera: Agathiphagidae) and the lepidopteran ground plan. Entomologica Scandinavica 15: 151–178. DOI: 10.1163/187631284X00127 Abstract. Reference page. 

1998/9

• Kristensen, N.P. 1998. Lepidoptera: moths and butterflies 1. Handbuch der Zoologie IV/35. x + 491 pp. Walter de Gruyter GmbH & Co, Berlin & New York. Reference page. 

• Ackery, P.R., de Jong, R. & Vane-Wright, R.I. 1999. The Butterflies: Hedyloidea, Hesperioidea and Papilionoidea. in Lepidoptera, Moths and Butterflies. 1. Evolution, Systematics and Biogeography. Handbook of Zoology 4(35): 263–300 (ed. N.P. Kristensen). Berlin: de Gruyter. Reference page. 

2003

• Kristensen, N.P. 2003. Lepidoptera: moths and butterflies 2. Handbuch der Zoologie IV/36. xii + 564 pp. Walter de Gruyter GmbH & Co, Berlin & New York. Reference page. 

2011

• Gibbs, G.W. & Kristensen, N.P. 2011. Agrionympha, the long-known South African jaw moths: a revision with descriptions of new species (Lepidoptera, Micropterigidae). Zootaxa 2764: 1–21. Preview Reference page. 
• van Nieukerken, E.J., Kaila, L., Kitching, I.J., Kristensen, N.P., Lees, D.C., Minet, J., Mitter, C., Mutanen, M., Regier, J.C., Simonsen, T.J., Wahlberg, N., Yen, S-H., Zahiri, R., Adamski, D., Baixeras, J., Bartsch, D., Bengtsson, B.A., Brown, J.W., Bucheli, S.R., Davis, D.R., de Prins, J., de Prins, W., Epstein, M.C., Gentili-Poole, P., Gielis, C., Hättenschwiler, P., Hausmann, A., Holloway, J.D., Kallies, A., Karsholt, O., Kawahara, A.Y., Koster, S., Kozlov, M.V., Lafontaine, J.D., Lamas, G., Landry, J-F., Lee, S., Nuss, M., Park, K-T., Penz, C.M., Rota, J., Schintlmeister, A., Schmidt, B.C., Sohn, J-C., Solis, M.A., Tarmann, G.M., Warren, A.D., Weller, S., Yaklovlev, R.V., Zolotuhin, V.V. & Zwick, A. 2011. Order Lepidoptera Linnaeus, 1758. Pp 212–221 In: Zhang, Z.-Q. (ed.) 2011. Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness. Zootaxa 3148: 1–237. Open access. Reference page.  PDF. Reference page. 

2015

• Kristensen, N.P., Hilton, D.J., Kallies, A., Milla, L., Rota, J., Wahlberg, N., Wilcox, S.A., Glatz, R.V., Young, D.A., Cocking, G., Edwards, T., Gibbs, G.W. & Halsey, M. 2015. A new extant family of primitive moths from Kangaroo Island, Australia, and its significance for understanding early Lepidoptera evolution. Systematic entomology 40(1): 5–16. Wiley Lib. Reference page.