单词 | productid |
释义 | productidn.adj. Palaeontology. A. n. An articulate brachiopod of the extinct family Productidae or order Productida, found from the Ordovician to the Permian periods and characterized by spines or projections from the shell which are thought to have anchored the animal to the substrate. ΚΠ 1911 Encycl. Brit. V. 312/2 The abundance of corals in some of the Carboniferous seas and possibly also the large size of some of the Productids and foraminifera may be taken as evidence of warm or temperate waters. 1934 Geogr. Jrnl. 84 118 The limestones yield productids and other Brachiopods. 1963 R. O. Muir tr. M. Schwarzbach Climates of Past xvi. 132 The series is 700 m. thick; its rich fauna of corals, large productids, etc., has been the subject of classic research work. 1995 Paelobiology 21 520 Productids were anchored, semi-infaunally, by spines. B. adj. Of, relating to, or characteristic of the family Productidae or the order Productida. ΚΠ 1936 C. Croneis & W. C. Krumbein Down to Earth xxxix. 375 Still numerous until the close of the era, they [sc. brachiopods] are, during the Carboniferous, characteristically of the produced, or productid, type. 1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) i. 23 The Productid genus Gigantoproductus provides the largest known brachiopod. 2002 J. W. Hagadorn in D. J. Bottjer et al. Exceptional Fossil Preservation ix. 172 Spiny productid brachiopods are preserved fully articulated, with all ornamentation and features intact. This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.adj.1911 |
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