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PHYLOGENETIC AND PHENETIC RELATIONSHIPS AMONG THE LOWER DECAPODA

1986; Oxford University Press; Volume: 6; Issue: 3 Linguagem: Inglês

10.1163/193724086x00244

1937-240X

Lawrence G. Abele, Bruce E. Felgenhauer,

Crustacean biology and ecology

Phenetic and cladistic methods were used to analyze relationships within the Decapoda. Eighty-nine characters were examined, and 64 of these were used in all analyses. Representatives of the Euphausiacea, Dendrobranchiata, Caridea, Procaridoidea, Stenopodidea, Thalassinidea, and Astacidea were used to test hypotheses on the relationships within the Decapoda that recognized two, three, or four suborders. All analyses yielded the same result: (1) rejecting the concept of the Natantia as a monophyletic group; (2) recognizing two suborders of the Decapoda, the Dendrobranchiata and the Pleocyemata; (3) grouping the Procaridoidea with the Caridea; and (4) recognizing the Stenopodidea as a taxon related to the Reptantia rather than to the Caridea.