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. Auckland, New Zealand, 1730(1), pp. 1–26. doi: 10.11646/zootaxa.1730.1.1.