cystoidea in a sentence

n.

Definition

Sample Sentences

1. Cystoidea are an extinct class of echinoderms that thrived during the Paleozoic era.
2. The distinctive features of cystoidea include their sac-like bodies and numerous calcified plates.
3. Paleontologists study cystoidea fossils to understand the evolution of marine life millions of years ago.
4. In some marine ecosystems, cystoidea played a crucial role as filter feeders, contributing to the nutrient cycle.
5. The study of cystoidea has provided valuable insights into the diversity of ancient marine environments.