Table 1.

Thaptomys samples used in the present study, with their respective identification numbers, localities, karyotypes and haplotype numbers.

Genus	Species	Identification number	Locality	UF1	LN2	Geographic coordinates	Karyotype	mtDNA haplotype
Thaptomys	sp.	CIT 904	Una	BA	❶	15°29' S; 39°07' W	2n = 50, FN = 48	H1
		CIT 913					2n = 50, FN = 48	H2
		CIT 935					2n = 50, FN = 48	H3
Thaptomys	nigrita	LGA 116	Santa Teresa	ES	②	19°56' S; 40°36' W	2n = 52, FN = 52	H4
		LGA 117					2n = 52, FN = 52	H5
		LGA 959	Domingos Martins	ES	③	20°21' S; 40°39' W	2n = 52, FN = 52	H6
		LGA 974					2n = 52, FN = 52	H7
		LGA 977					2n = 52, FN = 52	H8
		UNIBAN 2031	Biritiba Mirim	SP	④	23°57' S; 46°03' W	2n = 52, FN = 52	H9
		UNIBAN 2132					2n = 52, FN = 52	H9
		CIT 1667	São Bernardo do Campo	SP	⑤	23°69' S; 46°56' W	2n = 52, FN = 52	H9
		CIT 1034	Pilar do Sul	SP	⑥		2n = 52, FN = 52	H10
		CIT 1133					2n = 52, FN = 52	H11
		CIT 175	Iguape	SP	⑦	24°42' S, 47°33' W	2n = 52, FN = 52	H12
		CIT 323					2n = 52, FN = 52	H12
		MII 077	Ortigueira	PR	⑧	24°12' S, 50°56' W	2n = 52, FN = 52	H13
		MII 078					2n = 52, FN = 52	H14
		MII 082					2n = 52, FN = 52	H15

¹Abbreviations of Brazilian states: BA = Bahia; ES = Espírito Santo; PR = Paraná; SP = São Paulo. ²Locality numbers as represented on the map (Figure 1) and cladograms (Figure 2).