encrinite

/ɛŋkrˈɪnaɪt/

Definitions

1. noun

A type of extinct genus of crinoids, marine animals that are related to starfish and sea urchins, characterized by a long stem and a crown of feathery arms.

“The fossilized remains of the encrinite were discovered in the ancient sea bed.”

Synonyms

  • crinoid
  • sea lily

Antonyms

  • mammal
  • vertebrate