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Vacelet, J.; Pérez, T. (1998). Two new genera and species of sponges (Porifera, Demospongiae) without skeleton from a Mediterranean cave. Zoosystema. 20 (1): 5-22.
8461
Vacelet, J.; Pérez, T.
1998
Two new genera and species of sponges (Porifera, Demospongiae) without skeleton from a Mediterranean cave.
Zoosystema
20 (1): 5-22
Publication
Available for editors  PDF available [request]
Two new genera and species of Dernospongiae are described from a northwestern Mediterranean littoral cave characterized by cold homotherrny, which shelters deep-sea invertebrates. The two new sponges have neither mineral nor fibrous skeleton. Their cytology is described using transmission electron microscopy. Thymosiopsis cuticulatus n.g. n.sp. (Chondrillidae) shares some characters with Thymosia Topsent, but lacks the diagnostic spongin fibres. Myceliospongia araneosa n.g. n.sp. has unusual anatomy, cytology, and mode of growth. No clear relationship with any order of the Demospongiae is indicated and the sponge is classified as incertae sedis within the Demospongiae.
Mediterranean
Systematics, Taxonomy
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2013-01-12 18:30:12Z
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2017-12-08 16:00:34Z
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Western Mediterranean for Myceliospongia araneosa Vacelet & Pérez, 1998 
Western Mediterranean for Thymosiopsis cuticulatus Vacelet & Pérez, 1998 
Holotype MNHN D ]V 61, geounit Western Mediterranean, identified as Myceliospongia araneosa Vacelet & Pérez, 1998
Holotype MNHN D.JV 59, geounit Western Mediterranean, identified as Thymosiopsis cuticulatus Vacelet & Pérez, 1998


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