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A new western Atlantic species of Didiscus Dendy, 1922 (Porifera: Demospongiae: Halichondrida) with a key to the species of the genus

Published online by Cambridge University Press:  10 April 2015

George Garcia Santos  and
Ulisses Pinheiro
George Garcia Santos
Affiliation:
Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia, Av. Nelson Chaves, s/n Cidade Universitária CEP 50373-970, Recife, PE, Brazil
Ulisses Pinheiro*
Affiliation:
Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia, Av. Nelson Chaves, s/n Cidade Universitária CEP 50373-970, Recife, PE, Brazil
*
Correspondence should be addressed to:U. Pinheiro, Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia, Av. Nelson Chaves, s/n Cidade Universitária CEP 50373-970, Recife, PE, Brazil email: uspinheiro@hotmail.com
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Abstract

Didiscus gladius sp. nov. is described from Bahia State (Brazil). The sponge is thinly encrusting to lump-shaped and has a glassy, translucent appearance, through which the spiculation is clearly visible. The megascleres are styles and two categories of oxeas. The microscleres are discorhabds. Colour is beige or brown in ethanol. Didiscus verdensis is the nearest relative in the Atlantic which differs from the new species in a series of traits (e.g. absence of true styles and presence of strongyles). A key to species of Didiscus is given.

Keywords

SpongesDidiscusnew speciestaxonomysouthwestern AtlanticBahia StateBrazil
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 96 , Issue 3 , May 2016 , pp. 687 - 692
Copyright
Copyright © Marine Biological Association of the United Kingdom 2015 

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References

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