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Thesaurus: scutibranchiata

An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.

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  1. n. pl. An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.
  2. 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.
  3. An order of gastropod Mollusca having a heart with two auriclesand one ventricle. The shell may be either spiral or shieldlike.