Anoplodactylus petiolatus
Phoxichilidiidae
Antalis cerata
Dentaliidae
Antalis entalis
Dentaliidae
Antarctomysis maxima
Mysidae
Antarcturus furcatus
Antarcturidae
Anteos clorinde nivifera
Pieridae
Anteos maerula maerula
Pieridae
Anthanassa frisia
Nymphalidae
Anthanassa texana
Nymphalidae
Anthenoides piercei
Goniasteridae
Anthocharis lanceolata
Pieridae
Anthocharis midea
Pieridae
Anthocharis pima
Pieridae
Anthocharis sara
Pieridae
Anthus spinoletta
Motacillidae
Anthus spragueii
Motacillidae
Antillophos adelus
Nassariidae
Antillophos candei
Nassariidae
Antimargarita smithiana
Margaritidae
Aonides mayaguezensis
Spionidae