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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…

An extinct lily crinoid.

Lily Crinoid

An extinct lily crinoid.

"Encrinite: head and piece of stem. Any fossil crinoid; a stone-lily: a term especially applied to the ordinary stalked form with a cylindrical stem and well-formed arms." -Whitney, 1911

Encrinite

"Encrinite: head and piece of stem. Any fossil crinoid; a stone-lily: a term especially applied to the…

"Encrinite: Any fossil crinoid; a stone-lily: a term especially applied to the ordinary stalked form with a cylindrical stem and well-formed arms. a, a, parts of the stem; b, b, separate joints." -Whitney, 1911

Encrinite

"Encrinite: Any fossil crinoid; a stone-lily: a term especially applied to the ordinary stalked form…

An ancient crinoid, sea lilies are flowerlike, with branching arms surrounding the central mouth.

Sea Lily

An ancient crinoid, sea lilies are flowerlike, with branching arms surrounding the central mouth.

An ancient crinoid, stone lilies are flowerlike, with branching arms surrounding the central mouth.

Stone Lily

An ancient crinoid, stone lilies are flowerlike, with branching arms surrounding the central mouth.