Sentence Examples with the word Bipectinate

Spire of shell much reduced; two bipectinate ctenidia, the right being the smaller; no operculum.

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.