[医] 斧足类

Pelecypoda \Pel`e*cyp"o*da\, n. pl. [NL., fr. Gr. ? a hatchet +
-poda.] (Zo["o]l.)
Same as {Lamellibranchia}.


Lamellibranchia \La*mel`li*bran"chi*a\, Lamellibranchiata
\La*mel`li*bran`chi*a"ta\, n. pl. [NL. See {lamella}, and
{Branchia}, {Branchiate}.] (Zo["o]l.)
An earlier name for the class of Mollusca including all those
that have bivalve shells, as the clams, oysters, mussels,
etc., now called {Pelecypoda} or {Bivalvia}.
[1913 Webster +PJC]

Note: They usually have two (rarely but one) flat,
lamelliform gills on each side of the body. They have
an imperfectly developed head, concealed within the
shell, whence they are called {{Acephala}}. Called also
{Conchifera}, and {Pelecypoda}. See {Bivalve}.


Lamellibranchia \La*mel`li*bran"chi*a\, Lamellibranchiata
\La*mel`li*bran`chi*a"ta\, n. pl. [NL. See {lamella}, and
{Branchia}, {Branchiate}.] (Zo["o]l.)
An earlier name for the class of Mollusca including all those
that have bivalve shells, as the clams, oysters, mussels,
etc., now called {Pelecypoda} or {Bivalvia}.
[1913 Webster +PJC]

Note: They usually have two (rarely but one) flat,
lamelliform gills on each side of the body. They have
an imperfectly developed head, concealed within the
shell, whence they are called {{Acephala}}. Called also
{Conchifera}, and {Pelecypoda}. See {Bivalve}.