Sentence Examples


  • Vlastidae.-Shell very inequivalve; hinge without teeth.
  • Asymmetrical, inequivalve, fixed, with extensive pallial sutures; no siphons.
  • Caprinidae.-Shell inequivalve; fixed valve spiral or conical; free valve coiled or spiral; Cretaceous.
  • Monopleuridae.-Shell very inequivalve; fixed valve conical or spiral; free valve operculiform; Cretaceous.
  • - Shell sub-trigonal, inequivalve; pallial sinus shallow; siphons short, united, completely retractile; foot large, pointed, often byssiferous.
 

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