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Having the pallium, or mantle, acting as a gill, as in brachiopods.

One of the Pectinibranchiata. Also used adjectively.

A division of Gastropoda, including those that have a comblike gill upon the neck.

Having pectinated gills.

A division of Nudibranchiata, in which the mantle itself serves as a gill.

Those Batrachia which retain their gills through life, as the menobranchus.

Having branchæ, or gills, through life; -- said especially of certain Amphibia, like the menobranchus. Opposed to caducibranchiate.

Surrounding the branchiæ; as, a peribranchial cavity.

Of or pertaining to the pharynx and the branchiæ; -- applied especially to the dorsal elements in the branchial arches of fishes. See Pharyngeal. -- n.

Same as Leptocardia.

A crustacean gill composed of lamellæ.

Any one of the gills of a crustacean that is attached to the side of the thorax.

Same as Pleurobranch.

One of branchiæ attached to the bases of the legs in Crustacea.

Same as Podobranch.

A division of Nudibranchiata including those which have numerous branchiæ on the back.

One of the Prosobranchiata.

The highest division, or subclass, of gastropod mollusks, including those that have the gills situated anteriorly, or forward of the heart, and the sexes separate.

Same as Pseudobranchia.

A rudimentary branchia, or gill. -- Pseu`do*bran"chi*al, a.