Table 1.

Previous studies supporting trees 1–3

Hypotheses	Dataset, sequence length (ref.)
Tree 1	Nuclear + mitochondrial genes, 16.4 kb (3)
	Nuclear + mitochondrial genes, 17.7 kb (21)
	Three nuclear genes, 5 kb (20)
	Mitochondrial genes, 3,516 residues (55)
	Nuclear + mitochondrial genes (22)
	Nuclear genes, 205 kb (23)
Tree 2	Nuclear + mitochondrial genes, 7,999 residues (55)
	Two retroposon loci (5)
Tree 3	Three nuclear genes (55, 56)
	Two retroposon loci (17)
	1,700 nuclear genes, 1.4 Mb (16)
	2,840 nuclear genes, 723,000 residues (24)
	Nuclear genes + conserved sequences, 1.9 Mb (57)