| 单词 | sundial shell |
| 释义 | > as lemmassundial shell 2. More fully sundial shell. Any of the tropical marine gastropod molluscs of the family Architectonicidae, esp. of the genus Architectonica (formerly Solarium), having a flattened conical shell which is typically cream and brown in colour; the family itself. Also: the shell of such a mollusc. Occasionally with distinguishing word. Cf. staircase-shell n. at staircase n. Compounds 2. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > other types of gastropod mollusc purpura1598 patella1671 canoe-shell1711 oliva1823 monoceros1828 Olivella1835 holostome1864 sundial1868 archaeogastropod1955 1823 in Q. Jrnl. Sci. & Arts July 252 Solarium. [Note A sun-dial.] Shell orbicular, depressed conical.] 1868 tr. L. Figuier Ocean World 412 Besides the genus Trochus naturalists range a pretty marine shell, called the Sun-dial (Solarium). 1885 Standard Nat. Hist. I. 326 Solarium perspectivum has received the common names of perspective shell and sun-dial shell. 1908 J. E. Rogers Shell Bk. xxvii. 156 The Granulated Sun-dial Shell (S. granulatum, Lam.)..is finely checked by the crossing of spiral and radiating ridges, so as to have raised granules all over its upper surface. 1971 Biol. Bull. 140 296 Architectonicidae or sundial shells are a family of subtidal gastropods represented in tropical waters throughout the world. 2011 B. Witherington & D. Witherington Living Beaches Georgia & Carolinas 70 Sundials spend their days buried spire-down in the sand and emerge at night to feed on sea pansies. < as lemmas |
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