2005

• Simonsen, T.J. 2005. Boloria phylogeny (Lepidoptera: Nymphalidae): tentatively reconstructed on the basis of male and female genitalic morphology. Systematic Entomology 30(4): 653–665. DOI: 10.1111/j.1365-3113.2005.00292.x . Reference page. 

2006

• Simonsen, T.J. 2006. The male genitalia segments in fritillary butterflies: Comparative morphology with special reference to the “rectal plate” in Issoria (Lepidoptera: Nymphalidae). European Journal of Entomology 103(2): 425–432. DOI: 10.14411/eje.2006.056 Reference page. 

• Simonsen, T.J. 2006. Fritillary phylogeny, classification, and larval host plants: reconstructed mainly on the basis of male and female genitalic morphology (Lepidoptera: Nymphalidae: Argynnini). Biological Journal of the Linnean Society 89(4): 627–673. DOI: 10.1111/j.1095-8312.2006.00697.x . Reference page. 

• Simonsen, T.J., Wahlberg, N., Brower, A.V.Z. & de Jong, R. 2006. Morphology, molecules and fritillaries: approaching a stable phylogeny for Argynnini (Lepidoptera: Nymphalidae). Insect Systematics & Evolution 37: 405–418. DOI: 10.1163/187631206788831407 . PDF. Reference page. 

2010

• Simonsen, T.J., Wahlberg, N., Warren, A.D. & Sperling, F.A.H. 2010. The evolutionary history of Boloria (Lepidoptera: Nymphalidae): phylogeny, zoogeography and larval–foodplant relationships. Systematics and Biodiversity 8(4): 513–529. DOI: 10.1080/14772000.2010.532833 . Reference page. 

2011

• 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., 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. 

• Penz, C.M., Simonsen, T.J. & Devries, P.J. 2011. A new Orobrassolis butterfly (Nymphalidae, Brassolini): a casualty of habitat destruction? Zootaxa 2740: 35–43. Preview Reference page. 

2015

• Simonsen, T.J. 2015: Elhamma Walker (Lepidoptera: Hepialidae) revisited: adult morphology, assessment of recently proposed synonyms and descriptions of two species. Zootaxa 3955(3): 301–328. DOI: 10.11646/zootaxa.3955.3.1 . Preview (PDF) Reference page. 

2016

• Dupont, S.T., Simonsen, T.J. & Zilli, A. 2016. Haplopacha (Lepidoptera: Lasiocampidae) reviewed: four new species, first descriptions of the genitalia of both sexes, and unique alar scale organs. Zootaxa 4109(4): 445–457. DOI: 10.11646/zootaxa.4109.4.3 . Reference page. 

2017

• Penz, C.M., Casagrande, M.M., DeVries, P. & Simonsen, T.J. 2017. Documenting diversity in the Amazonian butterfly genus Bia (Lepidoptera, Nymphalidae). Zootaxa 4258(3): 201–237. DOI: 10.11646/zootaxa.4258.3.1 . Reference page.