- crinoids
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• криноидеи• морские лилии
English-Russian dictionary of geology. 2011.
crinoids
Смотреть что такое "crinoids" в других словарях:
crinoids — n., n. pl. [Gr. krinon, lily; zoion, animal] A subphylum of echinoderms that includes all the stalked and most primitive living forms; formerly known as Pelmatozoa, which is still in use by some authors … Dictionary of invertebrate zoology
Crinoid — Crinoids Temporal range: Ordovician Recent … 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
Echinoderm — Temporal range: Cambrian–recent … Wikipedia
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
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
Permian–Triassic extinction event — … 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
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
St. Cuthbert's beads — A thread could be passed through the central lumen of this crinoid fossil. St. Cuthbert s beads (or Cuddy s beads) are fossilised portions of the stems of Carboniferous crinoids. Crinoids are a kind of marine echinoderm which are still extant,… … Wikipedia
