Identificaciones de jkfoon

These are probably immature, the shell diameter is about 1cm. Suggested ID by Dinarzarde Rahim. An exotic snail, seen alongside former observation Cryptozona bistrialis. The millipede will be submitted as another observation soon. Same habitat and conditions as for C. bistrialis .

Shell size is about 20mm Dia.
I'm not a shell expert so please correct me if the identity is wrong. Thank you

Macrochlamys nitidissima - About 20-22mm

Reference :
Ho, Wai-hoong (1994). The taxonomy and ecology of land snails in Hong Kong, with particular reference to factors affecting their distribution and population dynamics. Master thesis Page 87
http://hub.hku.hk/handle/10722/32448
http://www.femorale.com/shellphotos/detail.asp?species=Macrochlamys+nitidissima+Moellendorff%2C+1883&url=%2Fshellphotos%2Fthumbpage.asp%3Ffamily%3Dariophantidae%26cod%3D5076
http://zh.wikipedia.org/wiki/香港陸生蝸牛列表
http://www.tbn.org.tw/BiologicalInformation/ClassificationStatisticsList2?speciesIndex=7

Macrochlamys nitidissima - About 24mm

Reference :
Ho, Wai-hoong (1994). The taxonomy and ecology of land snails in Hong Kong, with particular reference to factors affecting their distribution and population dynamics. Master thesis Page 87
http://hub.hku.hk/handle/10722/32448
http://www.femorale.com/shellphotos/detail.asp?species=Macrochlamys+nitidissima+Moellendorff%2C+1883&url=%2Fshellphotos%2Fthumbpage.asp%3Ffamily%3Dariophantidae%26cod%3D5076
http://zh.wikipedia.org/wiki/香港陸生蝸牛列表
http://www.tbn.org.tw/BiologicalInformation/ClassificationStatisticsList2?speciesIndex=7