Sentence Examples

  • - Three stages in the development of Trochus, during the process of torsion.
  • Trochus, shell umbilicated, spire pointed and prominent, British.
  • (c) Univalvia spira regulari (= Cochleae): Argonauta, Nautilus, Conus, Cypraea, Bulla, Voluta, Buccinum, Strombus, Murex, Trochus, Turbo, Helix, Nerita, Haliotis.
  • This typically consists of two concentric zones, the trochus and cingulum, often separated by a groove or gutter which may be finely ciliated; but in several genera of no close affinity, where it is very oblique to the longitudinal axis of the body, it is represented by a general ciliation of the surface (Taphrocampa, Rattulus, Copeus, Adineta).
  • 2, I) and its allies, the trochus being oval with two median gaps, the cingulum, more delicate, and complete.

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