Bergh R. 1889. In: Carus J. V.Prodromus Faunae Mediterraneae, volume 2, Brachiostomata, Mollusca, Tunicata, Vertebrata. Schweizerbart, Stuttgart, 854 pp. Facelininae is on the page 213.
Bergh R. 1889. In: Carus J. V. Crateninae is on the page 209.
Bergh R. 1889. In: Carus J. V. Favorininae is on the page 212.
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Gosliner T. M., Gonzáles-Duarte M. M. & Cervera J. L. (2007). "Revision of the systematics of Babakina Roller, 1973 (Mollusca: Opisthobranchia) with the description of a new species and a phylogenetic analysis". Zoological Journal of the Linnean Society151(4): 671-689. doi:10.1111/j.1096-3642.2007.00331.x.