Table 1. Cytogenetic data available for Neacomys genus, with diploid number (2n) and autosomal fundamental number (FN).

Species	2n	FN	References
N. dubosti Voss, Lunde, and Simmons, 2001	62	-	Voss et al. [25]
N. dubosti Voss, Lunde, and Simmons, 2001	64	68	Da Silva et al. [28]
N. guianae Thomas, 1905	56	-	Baker et al. [24]
N. minutus Patton, da Silva, and Malcolm, 2000	35–36	40	Patton et al. [29]
N. musseri Patton, da Silva, and Malcolm, 2000	34	64–68	Patton et al. [29]
N. paracou Voss, Lunde, and Simmons, 2001	56	-	Voss et al. [25]
N. paracou Voss, Lunde, and Simmons, 2001	56	62, 66	Da Silva et al. [28]
Neacomys sp.	58	64, 70	Da Silva et al. [28]
N. spinosus Thomas, 1882	64	68	Patton et al. [29]
N. tenuipes Thomas, 1900	56	-	Pérez-Zapata et al. (1996) apud Redi et al. [26]