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	Provedor de dados Naturalis (2) Autor Hiemstra, F. (2) Soest, R.W.M. van (2) Hooper, J.N.A. (1) Palavra-chave 42.72 (1) Cape Verde Islands (1) Didiscus (1) Halichondrida (1) Porifera (1) Tipo do documento Article / Letter to the editor (2) Ano 1991 (2) País Netherlands (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Didiscus verdensis spec. nov. (Porifera: Halichondrida) from the Cape Verde Islands, with a revision and phylogenetic classification of the genus Didiscus Naturalis Hiemstra, F.; Soest, R.W.M. van. A new species of the circumtropical/subtropical genus Didiscus Dendy, 1922 is described from the Cape Verde Islands. Based on a phylogenetic analysis of all known species of the genus, using morphological and microscopical (including SEM) characters, it was demonstrated that the new species is closest to the eastern Mediterranean D. styliferus Tsurnamal, 1968. Tipo: Article / Letter to the editor Palavras-chave: Porifera; Halichondrida; Didiscus; Cape Verde Islands; 42.72. Ano: 1991 URL: http://www.repository.naturalis.nl/record/319106 Taxonomy, phylogeny and biogeography of the marine sponge genus Acarnus (Porifera: Poecilosclerida) Naturalis Soest, R.W.M. van; Hooper, J.N.A.; Hiemstra, F.. Cosmotropical species reported in the genus Acarnus, viz. A. innominatus Gray (1867), A. tortilis Topsent (1892) and A. souriei Levi (1952), are demonstrated to show small, but consistent interregional morphological differences, leading to the conclusion that these “species” are very probably complexes of closely related species derived from former widespread (Tethyan and/or Gondwanan) ancestors. On the basis of this analysis, six regional Acarnus forms are described as new species, viz. A. claudei n.sp. from South East Africa (formerly described as A. innominatus by Lévi, 1963), A. hoshinoi n.sp. from NW Australia (formerly described as A. innominatus by Hooper, 1986) A. deweerdtae n.sp. from the West Indian region (newly discovered material related to A.... Tipo: Article / Letter to the editor Ano: 1991 URL: http://www.repository.naturalis.nl/record/504942 Registros recuperados: 2 Primeira ... 1 ... Última

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