单词 | coccolith |
释义 | coccolithn. Biology. The name given (by Prof. Huxley) to minute round or oval disk-like organic bodies found in deep-sea dredging, and also fossilized in chalk. Now generally believed to be of algal nature. ΘΚΠ the world > life > biology > organism > fossil > [noun] > types of astroite1610 belemnite1646 mussel-stone1660 scallop-stone1668 trochite1676 conchite1677 ophiomorphite1677 pectinite1677 worm-stone1677 musculite1681 serpent-stone1681 sugar-plum1681 glossopetraa1684 ague shell1708 forket1708 mytilite1727 grit1748 phytolithus1761 fairy beads1767 fairy fingers1780 fairy arrow1794 gryphite1794 ram's horn1797 hysterolite1799 tubulite1799 thunder-pick1801 celleporite1808 ceraunite1814 seraph1822 serpulite1828 coprolite1829 subfossil1831 pencil1843 trigonellite1845 buccinite1852 rudist1855 guide fossil1867 witch's cradle1867 coccolith1868 fairy cheeses1869 discolith1871 Portland screw1871 spiniferite1872 cyatholith1875 cryptozoon1883 sabellite1889 palaeospecies1895 homoeomorph1898 rudistid1900 megafossil1932 scolecodont1933 macrofossil1937 hystrichosphere1955 palynomorph1961 acritarch1963 molecular fossil1965 mitrate1967 1868 T. H. Huxley Lay Serm. (1870) 206 The chalk, like the soundings, contains these mysterious coccoliths and coccospheres. 1875 J. W. Dawson Life's Dawn on Earth iv. 69 The Coccoliths appear to be grains of calcareous matter formed in minute plants adapted to a deep-sea habitat. 1878 T. H. Huxley Physiography (ed. 2) xvi. 267 Multitudes of very minute saucer-shaped disks, termed coccoliths, which are frequently met with associated together into spheroidal aggregations, the coccospheres of Wallich. This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2021). < n.1868 |
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