Quaternary
Arbacioida
Arbacia punctulata
Arcida
Acar domingensis
Acar millifila
Anadara aequalitas
Anadara aequicostata
Anadara alumensis
Anadara brasiliana
Anadara callicestosa
Anadara campsa
Anadara campyla
Anadara catasarca
Anadara crassicosta
Anadara lienosa
Anadara scalarina
Arcoida
Anadara megerata
Caenogastropoda [incertae sedis]
Bittiolum podagrinum
Cassiduloida
Rhyncholampas ayresi
Clypeasteroida
Encope michelini
Mellita aclinensis
Scleractinia
Manicina areolata