Engel, MS (2008). "The Wasp Family Rhopalosomatidae in Mid-Cretaceous Amber from Myanmar (Hymenoptera: Vespoidea)". Journal of the Kansas Entomological Society. 81 (3): 168–174. doi:10.2317/JKES-712.11.1. S2CID85642900.
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Lohrmann, V. & A.S. Kroupa (2012). "Genus Olixon". Rhopalosomatidae of the world. Version 1. Published on the Internet. Archived from the original on May 3, 2021. Retrieved 16 May 2015.{{cite web}}: CS1 maint: numeric names: authors list (link)
Engel, MS (2008). "The Wasp Family Rhopalosomatidae in Mid-Cretaceous Amber from Myanmar (Hymenoptera: Vespoidea)". Journal of the Kansas Entomological Society. 81 (3): 168–174. doi:10.2317/JKES-712.11.1. S2CID85642900.
Lohrmann, V. & A.S. Kroupa (2012). "Genus Olixon". Rhopalosomatidae of the world. Version 1. Published on the Internet. Archived from the original on May 3, 2021. Retrieved 16 May 2015.{{cite web}}: CS1 maint: numeric names: authors list (link)