from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of echinoderm.


Sorry, no etymologies found.


  • Spiny sea urchins are members of the animal group called echinoderms Greek for

    On Food and Cooking, The Science and Lore of the Kitchen

  • Hertwig has shown that the tiny transparent ova of the echinoderms are the most convenient for following the details of this important process of impregnation.

    The Evolution of Man — Volume 1

  • Traditionally, one certain way of distinguishing between Pre-Cambrian and later strata has been on the basis of the absence or presence of organisms with hard parts, or with the proven internal complexity of forms such as echinoderms and coelenterates.

    Where's the ID Research? - The Panda's Thumb

  • "Our research highlights the poor understanding of large-scale carbon processes associated with calcifying animals such as echinoderms and tackles some of the uncertainties in the oceanic calcium carbonate budget," says Lebrato: "The realisation that these creatures represent such a significant part of the ocean carbon sink needs to be taken into account in computer models of the biological pump and its effect on global climate." - latest science and technology news stories

  • "We draw attention on the need for a major re-assessment of the contribution of benthic organisms such as echinoderms to the global marine carbonate cycle", said Mario Lebrato, lead author of the study.

    The Earth Times Online Newspaper

  • The same mitochondrial DNA sequences placed echinoderms - which include starfish and sea urchins - in closer proximity to the vertebrates than amphioxus even though, being a chordate, we would expect amphioxus to be closer (Ref 2).

    Building Trees Sequentially

  • Radial symmetry is just in the echinoderms and the jellies.

    Casey Luskin embarrasses himself again - The Panda's Thumb

  • Other dispersed larvae abundant in the Gulf are those of echinoderms and molluscs 453 species of which are reported.

    Coiba National Park and its Special Zone of Marine Protection, Panama

  • The Permian extinction, 244 million years ago, devastated the marine biota: tabulate and rugose corals, blastoid echinoderms, graptolites, and most crinoids died out, as did the last of the trilobites.


  • Later Paleozoic seas were dominated by crinoid and blastoid echinoderms, articulate brachiopods, graptolites, and tabulate and rugose corals.



Log in or sign up to get involved in the conversation. It's quick and easy.