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New species of Clathria (Microciona) (Poecilosclerida: Microcionina: Microcionidae) from the Tropical South-western Atlantic Ocean (Sergipe State, north-eastern Brazil)

Published online by Cambridge University Press:  11 February 2015

Joana Sandes
Affiliation:
Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia – Laboratório de Porifera – LABPOR, Avenida Prof. Moraes Rêgo, 1235, Cidade Universitária, CEP 50670–901 Recife, PE, Brazil Museu Nacional, Departamento de Invertebrados, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, s/n, CEP 20940-040, Rio de Janeiro, RJ, Brazil
Ulisses Pinheiro*
Affiliation:
Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia – Laboratório de Porifera – LABPOR, Avenida Prof. Moraes Rêgo, 1235, Cidade Universitária, CEP 50670–901 Recife, PE, Brazil
*
Correspondence should be addressed to:U. Pinheiro, Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia – Laboratório de Porifera – LABPOR, Avenida Prof. Moraes Rêgo, 1235, Cidade Universitária, CEP 50670–901 Recife, PE, Brazil email: [email protected]

Abstract

Clathria is one of the most species-rich genera among Demospongiae, but only nine species have been recorded so far from Brazil. Here we describe a new species of Clathria (Microciona) collected by trawling in waters of Sergipe State (north-eastern Brazil). The new species is differentiated from other encrusting Clathria with a hymedesmioid skeleton by the possession of a combination of long thin subectosomal subtylostyles, two category sizes of acanthostyles, both erect and echinating the basal spongin skeleton, long slightly curved choanosomal principal subtylostyles with tuberculate spine heads and wing-shaped toxas as microscleres.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2015 

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