Crepidula Gastropoda 6 Southwestern Atlantic 6 Anatomy 4 Calyptraeoidea 4 Crepidula cachimilla 4 Crepidula onyx 4 Hermaphroditism 4 Mollusca 4 New species 4 Onyx 4 Patagonia 4 Reproduction 4 Atlantic Ocean 2 Atlantic Ocean (Southwest) 2 Brachyura 2 Caenogastropoda 2 Calyptraeidae 2 Calyptraeotheres 2 Calyptraeotheres garthi 2 Crepidula navicula 2 Decapoda (Crustacea) 2 Invertebrata 2 Margarites 2 Megalopa 2 Modulus modulus 2 Navicula 2 Ostreidae 2 Pacific Ocean 2 Pacific Ocean (Southeast) 2