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Starfish - Wikipedia
The scientific name Asteroidea was given to starfish by the French zoologist de Blainville in 1830. [93] It is derived from the Greek aster, ἀστήρ (a star) and the Greek eidos, εἶδος (form, likeness, appearance). [94] The class Asteroidea belongs to the phylum Echinodermata. See more
Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea . Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as See more
Sexual reproduction
Most species of starfish are gonochorous, there being separate male and female individuals. These are usually not distinguishable … See moreFossil record
Echinoderms first appeared in the fossil record in the Cambrian. The first known asterozoans were the See more• Lawrence, J. M., ed. (2013). Starfish: Biology and Ecology of the Asteroidea. Johns Hopkins University Press. ISBN 978-1-4214-0787-6 See more
Most starfish have five arms that radiate from a central disc, but the number varies with the group. Some species have six or seven arms and others have 10–15 arms. The Antarctic See more
Distribution and habitat
Echinoderms, including starfish, maintain a delicate internal electrolyte balance that is in equilibrium with sea water, making it impossible for them … See moreIn research
Starfish are deuterostomes, closely related, together with all other echinoderms, to See moreWikipedia text under CC-BY-SA license Starfish (Sea Stars) - National Geographic
Sea star | Echinoderm Anatomy & Adaptations
WEBAug 22, 2024 · sea star, any marine invertebrate of the class Asteroidea (phylum Echinodermata) having rays, or arms, surrounding an …
Scientific Name of Starfish - Classification, Features, and FAQs
Starfish - A-Z Animals
Starfish (Sea Star) - Ocean Info
WEBScientific name: Asteroidea. Predators and Threats: Fish, sea otters, crabs, shrimp, birds, and other starfish. Unique adaptations: The ability to extend their stomachs out of their mouths, which allows them to eat …
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Common starfish - Wikipedia
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Sea Star - National Geographic Kids
WEBYou probably know sea stars as starfish, the name sea stars are commonly known by. But sea stars aren’t really fish. Sea stars, like sea urchins and sand dollars, do not have backbones, which...
Sea stars - Science Learning Hub
WEBWhen it’s a starfish! Starfish – pātangatanga – are the common names for a group of animals called sea stars. Sea stars are actually part of the phylum Echinoderm and are related to sea urchins, brittle stars and sea …
starfish summary | Britannica
WEBstarfish, or sea star, Any of 1,800 echinoderm species (class Asteroidea) that have regenerable arms surrounding an indistinct disk and that inhabit all oceans. Species range from 0.4 to 25 in. (1–65 cm) across, but most …
Sea Stars - National Geographic
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