Ana Cláudia Fegies, Ana Paula Carmignotto, Manolo Fernandez Perez, Mariana Dias Guilardi, Ana Cláudia Lessinger: Molecular Phylogeny of Cryptonanus (Didelphidae: Thylamyini): evidence for a recent and complex diversification in South American open biomes.doi:10.1016/j.ympev.2021.107213
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Voss, R.S., Lunde, D.P. & Jansa, S.A. 2005. On the Contents of Gracilinanus Gardner & Creighton, 1989, with the Description of a Previously Unrecognized Clade of Small Didelphid Marsupials. American Museum Novitates 3482:1–34. PDF hier (Memento vom 15. März 2007 im Internet Archive) (PDF; 1,5 MB).