Category:Scutibranchiata

Scu`ti*bran`chi*a"ta, n. pl. Etym: [nl. See scutum, and branchia.] (zoöl.)

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.