Scyphocrinus

Scyphocrinus, is an extinct genus of crinoids.

Species belonging to this genus lived during the Silurian and Devonian periods (from 443.4 to 358.9 Ma).

[1][2] The crinoid genus Camarocrinus have been considered by some authors the bulbous distal end of the stem of Scyphocrinus, having the function of a root and fixing the crinoid to the sea button.

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Fossil of Scyphocrinites from Silurian, found in Morocco.