cystidea in a sentence
n.
Definition
Cystidea are an extinct class of echinoderms characterized by their unique, cyst-like body structure, known from ancient marine environments.
Sample Sentences
- Cystidea are fascinating echinoderms that once thrived in ancient marine environments.
- The study of Cystidea provides valuable insights into the evolution of marine life during the Paleozoic era.
- Researchers discovered well-preserved Cystidea fossils that helped reconstruct past ocean ecosystems.
- Cystidea were unique for their distinctive body shape and reliance on filter feeding.
- Experts debate the exact ecological role of Cystidea in their prehistoric habitats.
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