Sentence Examples


  • The Amphineura are divided into two orders: (1) the Polyplacophora, or Chitons; (2) the Aplacophora, or forms without shells, Neomenia, Chaetoderma and their allies.
  • - Aplacophora, von Jhering.
  • The chief points in which the Aplacophora differ from the Polyplacophora are: (1) they are worm-like in shape; (2) there is no distinct foot, and the mantle bears no shell-valves, but only numerous calcareous spicules; (3) the digestive tube is straight.
  • The order Aplacophora is divided into two suborders.
  • - Aplacophora with a distinct longitudinal ventral groove; bisexual with paired genital glands and no distinct liver.
 

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