Ute (sponge)

Ute wani nau'i ne na soso The calcareous sponges are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate, in the form of high-magnesium calcite or aragonite. While the spicules in most species are triradiate, some species may possess two- or four-pointed spicules. Unlike other sponges, calcareans lack microscleres, tiny spicules which reinforce the flesh. In addition, their spicules develop from the outside-in, mineralizing within a hollow organic sheath. na calcareous na dangin GrantiidaeGrantiidae is a family of calcareous sponges in the order Leucosolenida. .  

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