stone corals

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• Brain stone coral — Coral Cor al, n. [Of. coral, F, corail, L. corallum, coralium, fr. Gr. kora llion.] 1. (Zo[ o]l.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• fan corals — Coral Cor al, n. [Of. coral, F, corail, L. corallum, coralium, fr. Gr. kora llion.] 1. (Zo[ o]l.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• plume corals — Coral Cor al, n. [Of. coral, F, corail, L. corallum, coralium, fr. Gr. kora llion.] 1. (Zo[ o]l.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa. [1913 Webster] Note: The… …   The Collaborative International Dictionary of English

• Brain stone coral — Brain Brain (br[=a]n), n. [OE. brain, brein, AS. bragen, br[ae]gen; akin to LG. br[ a]gen, bregen, D. brein, and perh. to Gr. bre gma, brechmo s, the upper part of head, if [beta] = [phi]. [root]95.] [1913 Webster] 1. (Anat.) The whitish mass of… …   The Collaborative International Dictionary of English

• CORAL — The ancients regarded coral as wood, because of its tree like appearance. Only at the beginning of the 18th century was it discovered to belong to the animal kingdom and to consist of the skeletons of marine polyps. Stone corals, found mainly in… …   Encyclopedia of Judaism

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Coral — For other uses, see Coral (disambiguation). Coral Pillar coral, Dendrogyra cylindricus Scientific classification Kingdom …   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

• Coral reef — Marine habitats Biodiversity of a coral reef Lit …   Wikipedia

• Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …   Universalium

• geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …   Universalium