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Guitarra Flamenca sp. nov. (Porifera: Poecilosclerida) With a Sem Revision of the Spiny Isochelae and Placochelae in the Genus

1998; Cambridge University Press; Volume: 78; Issue: 3 Linguagem: Inglês

10.1017/s0025315400044799

1469-7769

José Luís Carballo, Ma.J. Uriz,

Marine Ecology and Invasive Species

All the currently known species of Guitarra with spiny isochelae have been reviewed by SEM: Guitarra fimbriata, Guitarra indica, Guitarra bipocillifea, Guitarra abbotti and Guitarra laplani . A new species from Namibia; Guitarra flamenca , is described, which is characterized by bipocilla-like spiny isochelae similar to those of Tetrapocillon atlanticus , placochelae in two different morphological categories and very robust megascleres. After a revision through SEM of the specimen of Guitarra fimbriata var. indica , it clearly belongs to Guitarra flamenca sp. nov. The morphological variability of the placochelae and the spiny isochelae across the Guitarra -species has been analysed and the main parameters useful to differentiate species are highlighted.