A new Discorhabdella (Porifera, Demospongiae), a new Tethyan relict of pre-Messinian biota?

Publication Type:Journal Article
Year of Publication:1992
Authors:N. Boury-Esnault, Pansini, M., Uriz, M. - J.
Journal:Journal of Natural History
Volume:26
Pagination:1-7
Keywords:BATHYAL, DEMOSPONGES, GIBRALTAR, MEDITERRANEAN, PORIFERA
Abstract:

A new sponge species Discorhabdella hindei, is described from specimens found at a depth of 534-604 m off the Mediterranean side of the Gibraltar Strait (Alboran Sea). This species is closer to the New Zealand type species, D. incrustans, than to the other known species of the genus from the Azores, D. tuberosocapitata . The characteristic echinating acanthostyles of this new species closely resemble those found in Oligocene deposits from New Zealand. The similarity between the new species and the fossil pre-Messinian Indo-Pacific species, along with the strong differences from the Atlantic species, suggest a Tethyan affinity for this new species

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