| 释义 |
ostracod, a. and n.|ˈɒstrəkɒd|
Also ostracode |-kəʊd| and with capital initial.
[a. mod.L. Ostracoda and Fr. ostracode (P. A. Latreille Genera Crustaceorum et Insectorum (1806) I. 17), formerly Ostrachoda, ostrachode (P. A. Latreille in C. S. Sonnini Buffon's Hist. Nat. Crustacés & Insectes (1802) II. 361), f. Gr. ὀστρακώδης testaceous: see -ode1.]
a. adj. Belonging to the Ostracoda or Ostracopoda, an order of entomostracous crustaceans.
b. n. A member of the Ostracoda.
1865Athenæum No. 1983. 571/2 The little modest ostracods and phyllopods. 1870Nicholson Man. Zool. I. 196 Small Ostracode Crustacea..as fossils..extend from the Lower Silurian period up to the present day. 1888Rolleston & Jackson Anim. Life 534 The eye is moveable..in the Ostracode Cypridinidæ. 1902Edin. Rev. Jan. 194 They found..a living ostracode. 1935Twenhofel & Shrock Invertebr. Paleontol. x. 436 Ostracods are small, bivalved Crustacea which are found inhabiting all waters but are most abundant in marine habitats. 1953Ibid. (ed. 2) xiii. 548 Ostracodes are minute, lentil-shaped crustaceans having a bivalve carapace that completely encloses the indistinctly segmented body. 1956[see mysid]. 1957New Biol. XXIV. 70 Some of the ostracods..possess haemoglobin. 1965B. E. Freeman tr. Vandel's Biospeleol. ix. 112 Hypogeous ostracods are known from Europe, North America and Japan. 1969Bennison & Wright Geol. Hist. Brit. Isles viii. 164 Ostracod shales were laid down contemporaneously in deeper waters in the Torquay area. 1974A. Dillard Pilgrim at Tinker Creek viii. 132 An ostracod, a common fresh-water crustacean of the sort I crunch on by the thousands every time I set foot in Tinker Creek. 1974Smithsonian Contrib. Earth Sci. No. 13. 22/1 Constituents were counted and grouped in the following classes: terrigenous (mica and other, including quartz), bioclastic remains (pelagic forams, benthonic forams, pteropods, and other), plant fragments, and other (including ostracode valves, sponge spicules, unidentifiable fragments, etc.).
So ostraˈcodal, ostraˈcodous adjs.
1887H. H. Howorth Mammoth & Flood 372 The ostracodal fauna..in the seas of Australia and the Malay Peninsula. |