Aspidobranchia

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Aspidobranchia \As`pi*do*bran"chi*a\, n. pl. [NL., fr. Gr. ?, ?,
     shield + ? gills.] (Zool.)
     A group of Gastropoda, with limpetlike shells, including the
     abalone shells and keyhole limpets.
     [1913 Webster]