cystidean in a sentence
n.
📚 Grade Level: Grade 11, Grade 12
Definition
Cystidean: a type of extinct echinoderm characterized by a hard, often ornate shell and unique body structures, prevalent in ancient marine environments.
Crossword clues for cystidean
Crossword clue ideas and answer hints for the word "cystidean".
- Extinct marine animal with a hard, ornate shell.
- Ancient echinoderm known for unique body structures.
- Fossilized creature found in ancient ocean sediments.
- Hard-shelled organism from prehistoric marine environments.
- Unique echinoderm resembling a small, ornate shellfish.
Cystidean sentence examples
- Cystideans were once abundant in the ancient seas, showcasing unique body structures.
- The fossil record reveals that cystideans had intricate designs that fascinated paleontologists.
- Researchers are studying cystidean morphology to understand their evolutionary relationships.
- Cystideans are often found in sedimentary rock formations, providing insight into marine ecosystems.
- The decline of cystideans marked a significant shift in the biodiversity of the Paleozoic era.