noun a taxonomic group of sea anemones and corals characterized by having stinging cells called nematocysts
Actinoida species play a role in the food chain and ecosystem dynamics of deep-sea environments.
Actinoida refers to a specific order or family of deep-sea fish found in the ocean depths.
Actinoida is a taxonomic group within the class Actinopterygii, consisting of ray-finned fish.
Actinoida may be studied in the context of deep-sea ecosystems and marine biodiversity.
Actinoida is a classification of fish species characterized by their unique physical features and habitats.
Actinoida refers to a group of radioactive elements in the periodic table, including actinium, thorium, uranium, and others.
In the field of nuclear physics, actinoida elements are studied for their properties and behavior in nuclear reactions.
Geologists may study actinoida elements as part of their research on the geological history of the Earth and radioactive decay processes.