Phakelliasur sp. nov. (Demospongiae, Halichondrida, Axinellidae) from the lower slope off Cape Horn (South America), with a revision of the genus

Abstract

Phakellia sur sp. nov. is described from the lower slope off Cape Horn (South America). The species differs from other Phakellia by the possession of straight strongyles as a category of megascleres. A revision of literature records of Phakellia is also provided.

Keywords:

• Axinellidae
• Chile
• Demospongiae
• Lower slope
• South America
• Systematics

Published in collaboration with the University of Bergen and the Institute of Marine Research, Norway, and the Marine Biological Laboratory, University of Copenhagen, Denmark

Published in collaboration with the University of Bergen and the Institute of Marine Research, Norway, and the Marine Biological Laboratory, University of Copenhagen, Denmark

Acknowledgments

We are indebted to Drs Roberto Schlatter and Alejandro Bravo (Universidad Austral de Chile) for the donation of the studied material; Philippe Willenz (Institut Royal des Sciences Naturelles de Belgique) and Rob van Soest (Zoologisch Museum Amsterdam – Universiteit van Amsterdam) for the provision of missing literature; and Claude Lévi for help with collecting and the donation of comparative material. We further thank CNPq and FAPERJ (Brazil), Fondation Claraz (Geneva), and Professor Chris M. Ireland (University of Utah) for grants and/or fellowships.

Notes

Published in collaboration with the University of Bergen and the Institute of Marine Research, Norway, and the Marine Biological Laboratory, University of Copenhagen, Denmark