| 单词 | river limpet |
| 释义 | > as lemmasriver limpet river limpet n. a minute pulmonate mollusc, Ancylus fluviatilis (family Planorbidae), which has a conical shell that resembles that of a limpet, occurring in freshwater in Eurasia. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > order Pulmonifera > Inoperculata > family Limnaeidae or Planorbidae > member of genus Ancylus river limpet1778 1778 E. M. da Costa Hist. Nat. Testaceorum Brit. 1/1 The Limpet, River. 1864 Chambers's Encycl. VI. 138/1 In Ancylus (River Limpets) it is limpet-shaped. 1953 H. Mellanby Animal Life in Fresh Water (ed. 5) xi. 237 The River Limpet (Ancylastrum fluviatile) clings to stones in the beds of swift rivers and streams, and at the edges of lakes where there is some wind action. 1986 Zool. in Middle East 1 129 (title) Additional records of the river limpet, Ancylus fluviatilis, from the Middle East. < as lemmas |
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