crinoid in a sentence
a.
Definition
Crinoid: a marine animal belonging to the class Crinoidea, characterized by a cup-shaped body and feathery arms, often resembling a lily, and known for its long evolutionary history.
Sample Sentences
- Crinoids, often referred to as sea lilies, can be found in both shallow and deep ocean environments.
- The fossil record reveals that crinoids have existed for over 500 million years, making them one of the oldest living species.
- Marine biologists study crinoids to understand their role in marine ecosystems and their interactions with other organisms.
- During a recent dive, we encountered a vibrant crinoid gracefully swaying with the currents on a coral reef.
- The delicate arms of the crinoid capture tiny plankton, showcasing its unique feeding strategy in the underwater world.