Table 3. Karyotype and genome size (2C) data for Heterotaxis.

Species	Karyotype1					Genome Size
	2n	DAPI+	CMA+	45S	5S	2C2	CV3
Heterotaxis brasiliensis	42	12–16, pr.	4, ter.	4, ter.	2, ter.	8.64	2.76
					2, int.
Heterotaxis violaceopunctata						8.51	2.43
Heterotaxis villosa						8.75	2.57
Heterotaxis superflua						7.67	2.65
Heterotaxis equitans					4, (2/2—ter/int).	7.70	3.15
Heterotaxis valenzuelana	40	-	2, pr.	2, pr.	2, int.	7.46	2.50
Mapinguari desvauxiana*	40	-	2, ter.	2, ter.	2, int. & 2, ter.	4.49	4.26

¹ pr. = proximal position on the chromosome; int. = intertitial position on the chromosome; ter. = terminal position on the chromosome.

² 2C values are given in picograms.

³CV = Coefficient of variation.

*Karyotype data were obtained by [19].