COI 6 Crustacea 6 Decapoda (Crustacea) 6 Galatheidae 6 Munida gregaria 6 ND1 6 lobster 6 16S 4 Atlantic Ocean 4 Beagle Channel 4 Burdwood Bank 4 DNA 4 Genetic variation 4 ITS1 4 Magellan Strait 4 Munida subrugosa 4 South America 4 Speciation 4 genetic analysis 4 genetic variation 4 mitochondrial DNA 4 morphology 4 speciation (biology) 4 sympatry 4 taxonomy 4 Antarctic Circumpolar Current 2 East Pacific Barrier 2 Marine biogeography 2 Pacific Ocean 2 Pacific Ocean (East) 2