16S morphology 8 Atlantic Ocean 6 Beagle Channel 6 Burdwood Bank 6 COI 6 Crustacea 6 South America 6 genetic analysis 6 DNA 4 Decapoda (Crustacea) 4 Galatheidae 4 Genetic variation 4 ITS1 4 Magellan Strait 4 Munida gregaria 4 Munida subrugosa 4 ND1 4 Speciation 4 genetic variation 4 lobster 4 mitochondrial DNA 4 molecular analysis 4 morphotype 4 speciation (biology) 4 sympatry 4 taxonomy 4 28S 2 Anaspidea 2 Animals 2