Paracrinoidea

Paracrinoidea is an extinct class of Crinozoan echinoderms closely related to, and superficially resembling sea lilies. They lived in shallow seas during the Early Ordovician through the Early Silurian. Only 13 to 15 genera are known. See List of echinodermata orders

Paracrinoidea

Paracrinoidea is an extinct class of Crinozoan echinoderms closely related to, and superficially resembling sea lilies. They lived in shallow seas during the Early Ordovician through the Early Silurian. Only 13 to 15 genera are known. See List of echinodermata orders