Gibson, G.A.P. 2008. Description of Leptoomus janzeni, n. gen. and n. sp. (Hymenoptera: Chalcidoidea) from Baltic amber, and discussion of its relationships and classification relative to Eupelmidae, Tanaostigmatidae and Encyrtidae. Zootaxa. 1730, 1 (Mar. 2008), 1–26. DOI:https://doi.org/10.11646/zootaxa.1730.1.1.