Age: Ordovician.
Formation: Kataoua.
Location: El Kaid Errami, Morocco.
Plate measures: 21 cm x 19 cm
The Eocrinoideos appeared in the lower Cambrian and they were extinguished at the end of the Ordovícico.They are made up of a chalice, a crown of appendices and pedúnculo;From the chalice, formed by plates perforated and communicated by a complex respiratory pore system, they are developed, in the superior part, quite long and nongraft appendices (braquiolas).These appendices were the ones in charge to capture the food and to take it until the mouth, on guard central.