Acanthomysis sp.

Acanthomysis macropsis

Acanthomysis nephrophthalma

Acesta sp.

Acteocina sp.

Aedicira sp.

Amaeana occidentalis

Ampelisca sp.

Ampelisca compressa

Ampelisca macrocephala

Ampharete labrops

Ampharetidae sp.

Amphicteis scaphobranchiata

Amphiodia perfecta

Anaitides sp.

Anaitides groenlandica

Anchicolurus occidentalis

Annelida sp.

Anonyx adoxus

Aoroides columbiae

Aphroditid sp.

Argissa hamatipes

Aricidea sp.

Aricidea longobranchiata

Armandia brevisetosa