WEB8 apr. 2024 · sea urchin, any of about 950 living species of spiny marine invertebrate animals (class Echinoidea, phylum Echinodermata) with a …
Sea urchins: Strange and spiny wonders of the ocean
Echinus (sea urchin) - Wikipedia
Echinoderms | Smithsonian Ocean
WEBSea urchins are found in oceans all over the world. They play an important role in marine food chains, consuming algae and various invertebrates, and being consumed by crabs, sea stars, fishes, mammals, and birds.
Sea Urchin: The Marine Invertebrate - Ocean Info
WEB24 okt. 2020 · The Basics. The sea urchin refers to a group of about 950 species of spiny, round, marine invertebrates of the class Echinoidea. They can be found on the seafloor throughout the world’s oceans from the …
ADW: Echinoidea: CLASSIFICATION
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