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Revision of the genus Trachytedania (Porifera: Poecilosclerida) with a description of Trachytedania ferrolensis sp. nov. from the north-east Atlantic

Published online by Cambridge University Press:  05 September 2001

F.J. Cristobo  and
V. Urgorri
F.J. Cristobo
Affiliation:
Departamento de Biodiversidade e Recursos Mariños, Instituto de Acuicultura, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain. E-mail: bafjcris@usc.es
V. Urgorri
Affiliation:
Laboratorio de Zooloxía Mariña, Departamento de Bioloxía Animal, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain. E-mail: bavituco@usc.es
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Abstract

The genus Trachytedania Ridley, 1881 (Porifera: Poecilosclerida), includes those tedaniidae sponges characterized by the presence of acanthostyles. To date, only five species of the genus Trachytedania have been described of which only three actually belong to this genus. Other species described as Tedania could be considered as Trachytedania because of the presence of acanthostyles in their skeletons. Some authors propose retaining Trachytedania as a subgenus of Tedania because of its skeletal structure. In this work, a taxonomic revision and consideration of the validity of the genus is provided. The morphology and anatomy of Trachytedania ferrolensis sp. nov. from the Ría de Ferrol (Spain, north-east Atlantic) are described in detail, and the types of the three valid species described as Trachytedania to date: Trachytedania spinata, Trachytedania patagonica and Trachytedania biraphidora are studied. A key to this genus is provided.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 81 , Issue 4 , August 2001 , pp. 569 - 579
Copyright
2001 Marine Biological Association of the United Kingdom

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