On the genus Spirobranchus (Annelida, Serpulidae) from the northern Red Sea, and a description of a new species

Orly Perry*, Omri Bronstein, Noa Simon-Blecher, Ayelet Atkins, Elena Kupriyanova, Harry Ten Hove, Oren Levy, Maoz Fine

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Species of the genus Spirobranchus, commonly known as Christmas tree worms, are abundant throughout tropical Indo-Pacific and Atlantic Oceans. Information on the species inhabiting the Red Sea in general and the Gulf of Eilat (Gulf of Aqaba) in particular, has so far been very limited. Here we present a multigene phylogenetic analysis, examining both mitochondrial (Cyt-b) and nuclear (ITS2 and 18S) markers, to support the presence of four distinct Spirobranchus species in the Gulf of Eilat: S. corniculatus (including three taxa previously regarded as full species: S. gaymardi, S. cruciger, and S. corniculatus), S. cf. tetraceros, S. gardineri and a new species Spirobranchus aloni, likely endemic to the Red Sea (including two morphotypes with slightly different opercular morphology). The results presented here emphasise that the combination of molecular and in-depth morphological evaluation holds great prospects for a better understanding of species divergence and relationships.

Original languageAmerican English
Pages (from-to)605-626
Number of pages22
JournalInvertebrate Systematics
Volume32
Issue number3
DOIs
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018 CSIRO.

Keywords

  • Red Sea
  • Serpulidae
  • Spirobranchus
  • molecular taxonomy
  • polychaeta

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