Table 1.

Summary of Genetic Data and Samples Used in This and Previous Studies.

Paper	Number of Samples	Sampling Locations	Genetic Data
Warren et al. (2008)	90	QLD, NSW, VIC, TAS, South Australia	57 retrotransposons
Kolomyjec et al. (2009)	120	Five river systems in NSW, predominantly Hawkesbury and Shoalhaven	12 microsatellites
Gongora et al. (2012)	284	22 river systems across whole platypus range	Haplotypes of mitochondrial control region and cytochrome b gene
Furlan et al. (2013)	752	33 river systems across NSW, Victoria, TAS	Three microsatellites, two mitochondrial haplotypes
This study	57	12 river systems across QLD, NSW, TAS	6.7 million SNPs from WGS data