echinoderm

How To Use echinoderm In A Sentence

• The calcitic ossicles of crinoids, as is typical of echinoderms, form an internal skeleton that provides support and protection.
• Actinozoa include such animals as the Coelentera, which are fixed, and the Echinoderms, which have a central point and move indifferently along any radial axis; their form differs from the strobiloid mainly in having radiate rather than spiral symmetry. Form and Function A Contribution to the History of Animal Morphology
• However, the placement of the ophiuroid branch with respect to the other echinoderms is still unresolved.
• I could also see large marine isopods, looking like giant marine slaters, and some flower-like sea lilies (crinoids, a group of echinoderms related to starfishes).
• The echinoderms may seem, from a human point of view, to be a blind alley of no particular importance.
• The echinoderms appear to be particularly abundant in an interval up to 0.5 m below a 25-30 cm ledge-forming crinoidal grainstone with small micritic bioherms.
• The variety of aquatic wildlife reads like an open casting call for Finding Nemo: Over 1,500 species of fish, 5,000-8,000 species of mollusks, 30 species of whales and dolphins, 600 species of echinoderm such as starfish, 17 varieties of sea snakes, and 6 species of marine turtles which are listed as threatened. Yvonne Yorke: The Great Barrier Reef: From Above and Below
• These taxa consist of a broad array of organisms, including foraminifers, corals, bryozoans, mollusks, echinoderms, and fish.
• The starfish along with sea urchins and relatives including feather stars, brittle stars, basket stars, sea daisies, sea lilies, and sea cucumbers make up the Phylum Echinodermata.
• In that time, the first undoubted fossil annelids, arthropods, brachiopods, echinoderms, molluscs, onychophorans, poriferans, and priapulids show up in rocks all over the world.