anthobranchia definition

  • noun-plural:
    • A division of nudibranchiate Mollusca, where the gills form a wreath or group upon the posterior an element of the straight back. See nudibranchiata, and Doris.
    • A division of nudibranchiate Mollusca, when the gills form a wreath or group upon the posterior area of the back. See nudibranchiata, and Doris.
  • others:
    • A suborder of nudibranchiate gastropods, utilizing the branchiæ organized in a rosette about the rectum, whence the name. It offers the household Dorididæ and relevant kinds. Also called Pygobranchia.
    • A suborder of nudibranchiate gastropods, with all the branchiæ organized in a rosette towards anal area, whence title. It includes the household Dorididæ and related forms. Also known as Pygobranchia.

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    • A division of nudibranchiate Mollusca, where the gills…
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