Chavoshi Jolfaei, Mahin Sadat (2022). Molecular phylogeny, generic delineation, and historical biogeography of Cryptocheilus Panzer, 1806 and Heterodontonyx Haupt, 1935 with taxonomic revision of Australian species using mitochondrial genes, the ribosomal operon and UCE loci (Thesis). Australian National University. pp. i–xvi, 1–143. doi:10.25911/2RVQ-GH91.
V.S.L. Pate (1946). "The Generic Names of the Spider Wasps (Psammocharidae olim Pompilidae) and Their Type Species (Hymenoptera: Aculeata)". Transactions of the American Entomological Society. 72 (3): 65–137. JSTOR25077544.