in Sri Lanka - Ministry of Environment

Scientific Name Common Name NCS CriteriaJaponia binoyae (Sykes 1897)E: Japonia’sOperculate Snail DDJaponia occulta (Sykes 1897) CR B1+2ab(iii)Japonia vesca (Sykes 1897) EN B2ab(iii)Leptopoma apicatum (Benson 1856)E: Leptopoma’sOperculate Snail DDLeptopoma elatum (Pfeiffer 1852) DDLeptopoma semiclausum (Pfeiffer 1855)E: Leptopomoid’sOperculate Snail EN B1+2ab(iii)Leptopomoides conulus (Pfeiffer 1855) DDLeptopomoides flammeus (Pfeiffer 1855) CR B1+2ab(iii)Leptopomoides halophilus (Benson 1851) DDLeptopomoides orophilus (Benson 1853) DDLeptopomoides poecilus (Pfeiffer 1855) CR B1+2ab(iii)Leptopomoides taprobanensis (Preston 1909) CR B1+2ab(iii)Micraulax coeloconus (Benson 1851)E: MicraulaxOpeculate Snail CR B2ab(iii)Scabrina brounae (Sykes 1898) CR B2ab(iii)Scabrina liratula (Preston 1909)E: Hairy OperculateSnail DDTheobaldius annulatus (Pfeiffer 1847)E: Theobald’sOperculate Snail LCTheobaldius bairdi (Pfeiffer 1854) VU B1ab(iii)Theobaldius cadiscus (Benson 1860) CR B2ab(iii)Theobaldius cratera (Benson 1856) DDTheobaldius cytopoma (Benson 1860) EN B1+2ab(iii)Theobaldius layardi (Adams 1868) VU B1ab(iii)Theobaldius liliputianus (Preston 1909) DDTheobaldius loxostoma (Pfeiffer 1854) CR B1+2ab(iii)Theobaldius parapsis (Benson 1853) DDTheobaldius parma (Benson 1856) EN B1+2ab(iii)Theobaldius subplicatulus (Beddome 1875) VU B1ab(iii)Theobaldius thwaitesi (Pfeiffer 1855) CR B2ab(iii)Pterocyclus bifrons (Pfeiffer 1855) DDPterocyclus bilabiatus (Sowerby 1835)E: Ptero’s OperculateSnail EN B1+2ab(iii)Pterocyclus cingalensis (Benson 1853) NTPterocyclus cumingi (Pfeiffer 1851) NTPterocyclus troscheli (Benson 1851) NTFamily: DiplomatinidaeNicida catathymia (Sykes 1898)E: Sri LankaNicida’s OperculateSnail NTNicida ceylanica (Beddome 1875) CR B1+2ab(iii)Nicida delectabilis (Preston 1905) CR B1+2ab(iii)Nicida lankaensis (Preston 1905) CR B1+2ab(iii)Nicida pedronis (Beddome 1875) DD75