encrinital
/ɛnˈkrɪnɪtəl/Definitions
1. adjective
relating to or resembling encrinites, a type of extinct echinoderm
“The encrinital fossils found in the museum were from a long-lost era.”
2. noun
a type of extinct echinoderm, specifically a type of crinoid
“The encrinital is a fascinating example of ancient sea life.”