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Citation for Study 18971

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About Citation title: "Systematics of stalked jellyfishes (Cnidaria: Staurozoa)".
About Study name: "Systematics of stalked jellyfishes (Cnidaria: Staurozoa)".
About This study is part of submission 18971 (Status: Published).

Citation

Miranda L.S., Hirano Y.M., Mills C.E., Falconer A., Fenwick D., Marques A.C., & Collins A. 2016. Systematics of stalked jellyfishes (Cnidaria: Staurozoa). PeerJ, .

Authors

  • Miranda L.S. (submitter) Phone 55 (11) 997379502
  • Hirano Y.M.
  • Mills C.E.
  • Falconer A.
  • Fenwick D.
  • Marques A.C. Phone 5511 30917530
  • Collins A.

Abstract

Staurozoan classification is highly subjective, based on phylogeny-free inferences, and suborders, families, and genera are commonly defined by homoplasies. Additionally, many characters used in the taxonomy of the group have ontogenetic and intraspecific variation, and demand new and consistent assessments to establish their correct homologies. Consequently, Staurozoa is in need of a thorough systematic revision. The aim of this study is to propose a comprehensive phylogenetic hypothesis for Staurozoa, providing the first phylogenetic classification for the group. According to our working hypothesis based on a combined set of molecular data (mitochondrial markers COI, 16S, and nuclear markers ITS, 18S, and 28S), the traditional suborders Cleistocarpida (animals with claustrum) and Eleutherocarpida (animals without claustrum) are not monophyletic. Instead, our results show that staurozoans are divided into two groups, herein named Amyostaurida and Myostaurida, which can be distinguished by the absence/presence of interradial longitudinal muscles in the peduncle, respectively. We propose a taxonomic revision at the family and genus levels that preserves the monophyly of taxa. We provide a key for staurozoan genera and discuss the evolution of the main characters used in staurozoan taxonomy.

Keywords

Evolution, Taxonomy, Phylogeny, Medusozoa, Stauromedusae

External links

About this resource

  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S18971
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