| Abra alba (Wood, 1802) | Abra alba  (p. 191 ) | 
				
			| Abra longicallus Sacchi, 1836 | Abra longicallis  (p. 191 ) | 
				
			| Abra nitida (Müller, 1776) | Abra nitida  (p. 191 ) | 
				
			| Abra prismatica (Montagu, 1808) | Abra prismatica  (p. 191 ) | 
				
			| Abra segmentum (Récluz, 1843) | Abra segmentum  (p. 191 ) | 
				
			| Abra tenuis (Montagu, 1818) | Abra tenuis  (p. 191 ) | 
				
			| Abralia veranyi (Rüppell, 1844) | Abralia veranyi  (p. 196 ) | 
				
			| Abraliopsis morisii (Verany, 1839) | Abraliopsis morisii  (p. 196 ) | 
				
			| Acanthocardia aculeata (Linnaeus, 1758) | Acanthocardia aculeata  (p. 190 ) | 
				
			| Acanthocardia deshayesii (Payraudeau, 1826) | Acanthocardia deshayesii  (p. 190 ) | 
				
			| Acanthocardia echinata (Linneaus, 1758) | Acanthocardia echinata  (p. 190 ) | 
				
			| Acanthocardia paucicostata (Sowerby II, 1841) | Acanthocardia paucicostata  (p. 190 ) | 
				
			| Acanthocardia spinosa (Solander, 1786) | Acanthocardia spinosa  (p. 190 ) | 
				
			| Acanthocardia tuberculata (Linnaeus, 1758) | Acanthocardia tubercolata  (p. 190 ) | 
				
			| Acanthochitona crinita (Pennant, 1777) | Acanthochitona crinita  (p. 150 ) | 
				
			| Acanthochitona fascicularis (Linnaeus, 1767) | Acanthochitona fascicularis  (p. 150 ) | 
				
			| Acanthodoris pilosa (Abildgaard, 1789) | Acanthodoris pilosa  (p. 179 ) | 
				
			| Acanthosepion pharaonis (Ehrenberg, 1831) | Sepia pharaonis  (p. 195 ) | 
				
			| Acar plicata (Dillwyn, 1817) | Barbatia plicata  (p. 185 ) | 
				
			| Acesta excavata (Fabricius, 1779) | Acesta excavata  (p. 187 ) | 
				
			| Acirsa subdecussata (Cantraine, 1835) | Acirsa subdecussata  (p. 156 ) | 
				
			| Aclis ascaris (Turton, 1819) | Aclis ascaris  (p. 155 ) | 
				
			| Aclis attenuans Jeffreys, 1883 | Aclis attenuans  (p. 156 ) | 
				
			| Aclis gulsonae (Clark, 1850) | Aclis gulsonae  (p. 156 ) | 
				
			| Aclis minor (Brown, 1827) | Aclis minor  (p. 156 ) | 
				
			| Aclis trilineata Watson, 1897 | Aclis trilineata  (p. 156 ) | 
				
			| Acrilloscala lamyi (de Boury, 1909) | Acrilloscala lamyi  (p. 156 ) | 
				
			| Acteocina mucronata (Philippi, 1849) | Acteocina mucronata  (p. 174 ) | 
				
			| Acteon monterosatoi Dautzenberg, 1889 | Acteon monterosatoi  (p. 173 ) | 
				
			| Acteon tornatilis (Linnaeus, 1758) | Acteon tornatilis  (p. 173 ) |