Taxonomy (Name)
- Ameritella texana1
- Amusium pleuronectes1
- Amygdalum polita1
- Amygdalum sagittatum1
- Anadara (Diluvarca) secernenda1
- Anadara baughmani1
- Anadara secernenda1
- Anguipecten picturatus1
- Annachlamys reevei1
- Anomalocardia auberiana1
- Anomalocardia puella1
- Arca noae1
- Arcania novemspinosa1
- Arenifodiens vagina1
- Argopecten irradians concentricus1
- Argopecten irradians taylorae1
- Argopecten ventricosus1
- Arvella faba1
- Asperarca nodulosa1
- Asperarca sagrinata1