found: Work cat.: Hill, J.P. The development of the primitive streak, head-process and annular zone in Tarsius, with comparative notes on Loris, 1963.
found: Walker's mammals of the world, 1999:v. 1, p. 496 (genus Loris, family Lorisidae. One species, L. tardigradus, slender loris)
found: Corbet, G.B. A world list of mammalian species, 1991:p. 93 (Loris, family Lorisidae. One species, L. tardigradus, slender loris)
found: Integrated Taxonom. Info. System, via WWW, Sept. 21, 2000(Loris. Common name: not available. Family Loridae)
found: Mammal species of the world, via WWW, Sept. 21, 2000(Loris. Common name: slender lorises. Synonyms: Stenops, Tardigradus. Family Loridae)