Dodatak:Popis mekušaca, Ca
Cab
uredi- Cabestana africana (A. Adams, 1855)
- Cabestana casus Kensley & Pether, 1986 †
- Cabestana cutacea (Linnaeus, 1767)
- Cabestana felipponei (Ihering, 1907)
- Cabestana manawatuna C. A. Fleming, 1943 †
- Cabestana spengleri (Perry, 1811)
- Cabestana tabulata (Menke, 1843)
- Cabestana tetleyi (Powell & Bartrum, 1929) †
Mollusca → Gastropoda → Littorinimorpha → Tonnoidea → Ranellidae → Cymatiinae
Cac
uredi- Cacodaphnella
- Cacozeliana
Cad
uredi- Cadella
- Cadlina
- Cadlinella
- Cadlinidae
- Caducifer
- Cadulus
Cae
uredi- Caecidae
- Caecum
- Caelatura
Podrazred Caenogastropoda Cox, 1960
uredi- Architaenioglossa Haller, 1890
- Littorinimorpha Golikov & Starobogatov, 1975
- Neogastropoda Wenz, 1938
Caf
uredi- Cafferia
Cal
uredi- Calamiconus
- Calcarovula
- Calcatodrillia
- Calcimitra
- Caldicochlea
- Caldukia
Caldwellia H. Adams, 1873
uredi- Caldwellia imperfecta nepoznat
- Caldwellia philyrina Morelet, 1851
Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae → Helicarioninae
- Caledoconcha
- Caledoniella
- Calinaticina
- Caliphyllidae
- Calliclava
- Calliloncha
- Callimachus
- Calliobasis
- Calliodentaliidae
- Calliodentalium
- Calliopaea
- Calliostoma
- Calliostomatidae
- Calliotectum
- Calliotrochus
- Calliotropidae
- Calliotropis
- Callipara
- Callista
- Callistele
- Callistochiton
- Callistoctopus
- Callistoplacidae
- Callistoplax
- Callithaca
- Calloarca
- Callocardia
- Callochiton
- Callochitonidae
- Callogaza
- Callogonia
- Callomysia
- Callonaia
- Calloplax
- Callostracon
- Callpita
- Callucina
- Callumbonella
- Calma
- Calmella
- Calmidae
- Caloria
- Calotrophon
- Calpurnus
- Calvigenia
- Calvitium
- Calycidoris
- Calyptoconcha
- Calyptogena
- Calyptraea
- Calyptraeidae
- Calyptraeoidea
Cam
uredi- Camaenidae
- Camitia
- Campanile
- Campanilidae
- Campaniloidea
- Campeloma
- Camptoceras
- Campylorhaphion
Can
uredi- Canalispira
- Canarium
- Cancellaria
- Cancellariidae
- Cancellarioidea
- Cancellicula
- Cancellopollia
- Cancilla
- Candidula
- Canimarina
- Cantharidus
- Cantharus
- Cantrainea
Cap
uredi- Caperantrum
- Capulidae
- Capuloidea
- Capulus
Car
uredi- Cardiapoda
- Cardiidae
- Cardilia
- Cardiliidae
- Cardiocardita
- Cardioidea
- Cardiolucina
- Cardiomya
- Cardita
- Carditamera
- Carditella
- Carditellona
- Carditellopsis
- Cardites
- Carditidae
- Carditochama
- Carditoida
- Carditoidea
- Carditopsis
- Cardium
- Careliopsis
- Carenzia
- Caribachlamys
- Caribnauta
- Carinapex
- Carinaria
- Carinariidae
- Carinineilo
- Carinodrillia
- Carinotrachia
- Carinoturris
- Carminodoris
- Carpiscula
- Cartilagovelutina
- Caryocorbula
- Caryodes
- Caryodidae
Cas
uredi- Casella
- Casmaria
- Caspia
- Caspiella
- Caspiohydrobia
- Cassidae
- Cassidula
- Cassiella
- Cassis
- Castalia
- Castaliella
Cat
uredi- Cataegidae
- Cataegis
- Catapyrgus
- Catascopia
- Catillopecten
- Catinella
- Catriona
Cau
uredi- Caudiculatus
- Caudofoveata
- Cautor
- Cautotriphora
Cav
uredi- Cavatidens
- Cavellia
- Cavellioropa
- Cavernacmella
- Cavernisa
- Cavibelonia
- Cavilinga
- Cavineptunea
- Cavolinia
- Cavoliniidae
- Cavolinioidea
Cay
uredi- Caymanabyssia