морские бутоны

English-Russian dictionary of geology. 2011.

Смотреть что такое "blastoids" в других словарях:

  • blastoids — n., n. pl. [Gr. blastos, bud; eidos, form] A class of extinct echinoderms of the former Subphylum Pelmatoza; Ordovician to Permian …   Dictionary of invertebrate zoology

  • Blastoid — Taxobox name = Blastoids fossil range = Ordovician Permian image caption = Blastoid fossils ( thecae ) attached to matrix. regnum = Animalia phylum = Echinodermata subphylum = Blastozoa classis = Blastoidea classis authority = Say, 1825… …   Wikipedia

  • blastoid — ▪ fossil class       any member of an extinct class (Blastoidea) of echinoderms, animals related to the modern starfish and sea lilies, that existed from the Middle Ordovician to the Late Permian periods (from 472 million to 251 million years… …   Universalium

  • Cryptoblastus — Temporal range: Mississippian …   Wikipedia

  • Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …   Wikipedia

  • animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …   Universalium

  • Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium

  • Carboniferous — For the album by Zu see Carboniferous (album). Carboniferous Period 359.2–299 million years ago …   Wikipedia

  • Permian–Triassic extinction event — …   Wikipedia

  • Echinoderm — Temporal range: Cambrian–recent …   Wikipedia

  • Crinoid — Crinoids Temporal range: Ordovician Recent …   Wikipedia

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