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Philinoglossacea
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Philinoglossacea

gastropod order
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The Information Architects of Encyclopaedia Britannica

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The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • snail
    gastropod
    / Classification

    Order Philinoglossacea No head appendages; gill lacking; no external shell; 2 families. Order Anaspidea Shell reduced to flat plate; feed on large seaweed rather than microscopic algae; sea hares (Aplysiidae); 1 other small family. Order Notaspidea Shell and gill

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    Order Philinoglossacea No head appendages; gill lacking; no external shell; 2 families. Order Anaspidea Shell reduced to flat plate; feed on large seaweed rather than microscopic algae; sea hares (Aplysiidae); 1 other small family. Order Notaspidea Shell and gill

    Read More