User:UMaineInvertZoo/Hexactinellid
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[edit]Hexactinellid sponges are sponges with a skeleton made of four- and/or six-pointed siliceous spicules, often referred to as glass sponges. They are usually classified along with other sponges in the phylum Porifera, but some researchers consider them sufficiently distinct to deserve their own phylum, Symplasma. Some experts believe glass sponges are the longest-lived animals on earth; these scientists tentatively estimate a maximum age of up to 15,000 years. Recent molecular studies have found that at least some species lack core metazoan genes[1].
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[edit]- ^ Santini, Sébastien; Schenkelaars, Quentin; Jourda, Cyril; Duchesne, Marc; Belahbib, Hassiba; Rocher, Caroline; Selva, Marjorie; Riesgo, Ana; Vervoort, Michel; Leys, Sally P.; Kodjabachian, Laurent; Le Bivic, André; Borchiellini, Carole; Claverie, Jean-Michel; Renard, Emmanuelle (2023-06-19). "The compact genome of the sponge Oopsacas minuta (Hexactinellida) is lacking key metazoan core genes". BMC Biology. 21 (1): 139. doi:10.1186/s12915-023-01619-w. ISSN 1741-7007. PMC 10280926. PMID 37337252.
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