Scypha (Sycon) belongs to (a) Calcarea(b) Hexactinellida(c
Web4 days ago · They are basically classified in the phylum Porifera together with other sponges, but some scientists believe them sufficiently distinct to be deserving of their own phylum, Symplasma. Hyalospongiae is a Porifera class consisting of 6-rayed silica …
Hyalonema is a .................... sponge.a. Calcareousb. Demospongiac ...
WebMay 14, 2024 · They're usually classified together with other sponges within the phylum, but some researchers consider them sufficiently distinct to deserve their own phylum, Symplasma. Therefore, the answer is c, Hexactinellida.
Fossil sea sponge | emotioneva.de.
WebMay 26, 2024 · Similar to other glass sponges, they build their skeletons out …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 …
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