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Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or a portion of the life of the animal, to submarine objects by means of a jointed flexible stalk or column.

Crinoid

Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or…

Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or a portion of the life of the animal, to submarine objects by means of a jointed flexible stalk or column.

Crinoid

Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or…