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Didemnum tetrahedrum sp. nov., a new Didemnum (Tunicata: Ascidiacea) species from south-eastern Brazil

Published online by Cambridge University Press:  23 November 2004

Gustavo Muniz Dias  and
Sérgio de Almeida Rodrigues
Gustavo Muniz Dias
Affiliation:
Departamento de Zoologia Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), CP 6109, CEP 13083-970, Campinas, São Paulo State, Brazil
Sérgio de Almeida Rodrigues
Affiliation:
Departamento de Zoologia Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), CP 6109, CEP 13083-970, Campinas, São Paulo State, Brazil In memoriam
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Abstract

A new species of Didemnum was discovered during a recent biodiversity survey of Praia da Baleia, São Sebastião, São Paulo State, Brazil. This species has a unique and peculiar type of spicule composed by four calcareous spheroids grouped together to form a tetrahedral structure. In other aspects, the new species is similar to certain other whitish tropical Atlantic American didemnids formerly assigned to Didemnum candidum.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 84 , Issue 6 , December 2004 , pp. 1227 - 1228
Copyright
© 2004 Marine Biological Association of the United Kingdom

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