Christoph Held & Stefan Koenemann 
Phylogeography and Population Genetics in Crustacea [PDF ebook] 

Recently, technological progress and the rise of DNA barcoding efforts have led to a significant increase in the availability of molecular datasets on intraspecific variability. Carcinologists and other organismal biologists, who want to use molecular tools to investigate patterns on the scale of populations, face a bewildering variety of genetic m