Question

Class Calcarea example​

Answer 1

Answer:

Calcareous sponge

Animal

Explanation:

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Answer 2

Answer:

What does class Calcarea mean?

Explanation:

A class of marine sponges of the phylum Porifera which have spicules of calcium carbonate. Calcarea (with encrusting crinoid) from the Middle Jurassic Matmor Formation of Makhtesh Gadol, Israel. The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges.