单词 | nerita |
释义 | Neritan. Zoology. Originally: any of various, probably chiefly aquatic, gastropod molluscs. Later: spec. any mollusc of the genus Nerita, comprising tropical marine prosobranch gastropods with a thick shell, a short or flattened spire, and a semicircular aperture; (also) the genus itself.Valid publication of the genus name: Linnaeus Systema Naturæ (ed. 10, 1758) I. 776. The extent of the genus was broader in Linnaeus' use. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Prosobranchiata > section Holostomata > family Neritidae > genus Nerita or shell of Nerita1696 nerite1708 yolk nerite1713 yolk nerita1796 yolk of egg1797 bleeding tooth1881 1696 Philos. Trans. 1695–7 (Royal Soc.) 19 324 Nerita. There is a small Nerita of an Orange Colour. 1748 J. Hill Gen. Nat. Hist. I. 648 The Neritæ are not unfrequent in many parts of England. 1838 Philos. Trans. (Royal Soc.) 128 352 Of these progressive stages of the growth of the operculum, distinct traces remain on its surface, under the form..in the Neritæ..of certain straight lines, passing from the margin of the operculum..to a certain spiral line marked deeply upon its face. 1863 J. G. Wood Illustr. Nat. Hist. (new ed.) III. 388 The Neritas are all inhabitants of the warmer seas. 1902 Amer. Naturalist 36 926 A similar succession of smooth, simple-ribbed, and cancellated-ribbed shells appears in Jurassic Nerita and Neritopsis. 1950 Jrnl. Ecol. 38 390 While Littorina ziczac overlaps into this zone and the high-level Neritas occur in it, it is otherwise inhabited by species characteristic of the yellow zone of the natural rocks. 1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) iii. 81 Among Neritacea (Dev.—Rec.) is Nerita (Jur.—Rec.), globose, imperforate with semicircular aperture and thick, often grooved, lips. 1972 S. P. Dance Seashells 96 The true nerites of the genus Nerita comprise mostly amphibious forms. 2000 C. Tudge Variety of Life ii. vii. 240 Subclass Neritopsina is the sister to the Caenogastropoda + Heterobranchia. Nerita, commonly called a nerite in the family Neritidae, is a good example. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1696 |
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