Order Rodentia - Family Muridae Author Guy G. Musser Author Michael D. Carleton text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 501 755 book chapter http://doi.org/10.5281/zenodo.7353098 1-56098-217-9 7353098 Malacothrix Wagner, 1843 . In Schreber, Die Säugethiere, Suppl., 3:496 . TYPE SPECIES: Otomys typicus A. Smith, 1834 . SYNONYMS: Otomys (Smith, 1834, not Cuvier, 1823). COMMENTS: Generally considered monotypic ( Meester et al., 1986 ), but this view needs testing by systematic revision. See Matthey (1967) for reference to chromosomal information and karyological contrasts with other dendromurine genera.