Sentences

cystidean in a sentence

n.

Definition

Cystidean: a type of extinct echinoderm characterized by a hard, often ornate shell and unique body structures, prevalent in ancient marine environments.

Sample Sentences

  1. Cystideans were once abundant in the ancient seas, showcasing unique body structures.
  2. The fossil record reveals that cystideans had intricate designs that fascinated paleontologists.
  3. Researchers are studying cystidean morphology to understand their evolutionary relationships.
  4. Cystideans are often found in sedimentary rock formations, providing insight into marine ecosystems.
  5. The decline of cystideans marked a significant shift in the biodiversity of the Paleozoic era.

< return to search