Scutibranchiata
Pronunciation : Scu`ti*bran`chi*a"ta
Part of Speech : n.
Etymology : [NL. See Scutum, and Branchia.] (Zo?l.)
Definition : Defn: An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.
Note: It is now usually regarded as including only the Rhipidoglossa and the Docoglossa. When originally established, it included a heterogenous group of mollusks having shieldlike shells, such as Haliotis, Fissurella, Carinaria, etc.
pl.
Source : Webster's Unabridged Dictionary, 1913