Table 1.

Summary of genetic divergences (K2P percent) within various taxonomic levels. Data are from 754 sequences from 207 species (173 represented by multiple specimens) and 122 genera (43 represented by multiple species).

comparisons within	number of comparisons	minimum	distance mean	maximum	s.e.
species	1315	0	0.39	14.08b	0.031
genera	4259	0a	9.93	20.63	0.096
families	9479	1.39	15.46	35.72	0.049
orders	68083	9.55	22.18	37.52	0.012
classes	83265	14.33	23.27	37.39	0.009

^aOne example in Pristiophorus and one in Plectropomus, where in each instance one sequence among multiple specimens appeared to be of a different, but congeneric, species (see §3a).

^bHydrolagus novazaelandiae (see §3a).