Sentence Examples

  • The sub-class is now divided into two orders: the Aspidobranchia in which the branchia or ctenidium is bipectinate and attached only at its base, and the Pectinibranchia in which the ctenidium is monopectinate and attached to the mantle throughout its length.
  • A single bipectinate ctenidium on left side.
  • Spire of shell much reduced; two bipectinate ctenidia, the right being the smaller; no operculum.
  • - Aplacophora without distinct ventral groove, with single median unisexual gonad, with differentiated hepatic sac, and with cloacal chamber furnished with two bipectinate gills.

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