Evaluating the genus cespitularia milneedwards & haime, 1850 with descriptions of new genera of the family xeniidae (Octocorallia, alcyonacea)

Yehuda Benayahu, Leen P. Van Ofwegen, Catherine S. McFadden

Research output: Contribution to journalArticlepeer-review

Abstract

Several species of the family Xeniidae, previously assigned to the genus Cespitularia Milne Edwards & Haime, 1850 are revised. Based on the problematical identity and status of the type of this genus, it became apparent that the literature has introduced misperceptions concerning its diagnosis. A consequent examination of the type colonies of Cespitularia coerulea May, 1898 has led to the establishment of the new genus Conglomeratusclera gen. n. and similarly to the assignment of Cespitularia simplex Thomson & Dean, 1931 to the new genus, Caementabunda gen. n. Both new genera are described and depicted and both feature unique sclerite morphology, further highlighting the importance of sclerite microstructure for generic position among Xeniidae. Freshly collected material was subjected to molecular phylogenetic analysis, whose results substantiated the taxonomic assignment of the new genera, as well as the synonymies of several others.

Original languageEnglish
Pages (from-to)63-101
Number of pages39
JournalZooKeys
Volume2018
Issue number754
DOIs
StatePublished - 2018

Keywords

  • Indo-Pacific Ocean
  • New genera
  • Phylogeny
  • Sclerite microstructure
  • Taxonomy

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