modern echinoid

modern echinoid
современный морской еж

exocyclic echinoid — неправильный морской еж

bilateral echinoid — неправильный морской еж

endocyclic echinoid — правильный морской еж


English-Russian big polytechnic dictionary. 2014.

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  • Sea urchin — Taxobox name = Sea urchin image width = 250px image caption = Sea urchins, Sterechinus neumayeri regnum = Animalia phylum = Echinodermata subphylum = Echinozoa classis = Echinoidea classis authority=Leske, 1778 subdivision ranks = Subclasses… …   Wikipedia

  • echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …   Universalium

  • Jurassic Period — Interval of geologic time, 206–144 million years ago, that is one of the three major divisions of the Mesozoic Era, preceded by the Triassic Period and followed by the Cretaceous. During the Jurassic, Pangea began to break up into the present day …   Universalium

  • Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …   Universalium

  • Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …   Wikipedia

  • Microbial mat — A microbial mat is a multi layered sheet of micro organisms, mainly bacteria and archaea. Microbial mats grow at interfaces between different types of material, mostly on submerged or moist surfaces but a few survive in deserts.[1] They colonize… …   Wikipedia

  • -oid — suffix forming adjectives and nouns, denoting form or resemblance (asteroid; rhomboid; thyroid). Derivatives: oidal suffix forming adjectives. oidally suffix forming adverbs. Etymology: mod.L oides f. Gk oeides f. eidos form * * * I. ˌȯid noun… …   Useful english dictionary


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