A new species of Halichondriidae, Topsentia vaceleti n. sp (Halichondrida, Demospongiae, Porifera), collected from coralligenous bottoms of the Aegean Sea

dc.creator	Kefalas, E.	en
dc.creator	Castritsi-Catharios, J.	en
dc.date.accessioned	2015-11-23T10:34:34Z
dc.date.available	2015-11-23T10:34:34Z
dc.date.issued	2012
dc.identifier.issn	1175-5326
dc.identifier.uri	http://hdl.handle.net/11615/29352
dc.description.abstract	A new species, Topsentia vaceleti n. sp., was collected from 70m depth, on a coralligenous bed of the Aegean Sea by trawl (sponge fishing gear "gagava"). The specimen is spherical, 8 cm in diameter, with deep surface grooves. It has a totally disordered choanosome and a tangential ectosomal skeleton, typical of Topsentia, but exhibits a different type of spiculation. This species differs from the other members of the genus by possessing both principal oxeas and secondary oxeas, the latter much longer but thinner, bent and in some cases flexuous or twisted. This is the fourth species of Topsentia Berg, 1899 reported from the Mediterranean Sea.	en
dc.source	Zootaxa	en
dc.source.uri	<Go to ISI>://WOS:000304176100005
dc.subject	Porifera	en
dc.subject	Halichondrida	en
dc.subject	Halichondriidae	en
dc.subject	Topsentia	en
dc.subject	Mediterranean	en
dc.subject	Coralligenous substratum	en
dc.subject	new species	en
dc.subject	TAXONOMY	en
dc.subject	ECOLOGY	en
dc.subject	SPONGES	en
dc.subject	Zoology	en
dc.title	A new species of Halichondriidae, Topsentia vaceleti n. sp (Halichondrida, Demospongiae, Porifera), collected from coralligenous bottoms of the Aegean Sea	en
dc.type	journalArticle	en

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