The given variable is not an array and contains a null value.
Amphidromus atricallosus is a large land snail belonging to the family Camaenidae. One subspecies is confirmed to exist in Peninsular Malaysia, namely Amphidromus atricallosus perakensis. Another subspecies tentatively known to occur in Johor, and confirmed to occur in Singapore is Amphidromus atricallosus temasek. For A. a. perakensis, dimorphic coiling exists within the populations in Peninsular Malaysia, with dextral and sinistral individuals. The snail shell is lemon yellow with white sub-sutural line running throughout it and has a twisted columella that sometimes develops into a columellar plate. It has a tall spire. This subspecies is widespread in Peninsular Malaysia (Foon et al., 2017). Meanwhile, A. a. temasek has a shell with a straight columella, is thinner and has deeper shade of yellow. This subspecies needs further research to verify its distribution in Peninsular Malaysia (Tan et al., 2011).
Profile | |
---|---|
Aileen Tan Shau Hwai (Prof. Dato' Dr.)
Universiti Sains Malaysia (USM)
|
Molluscs,
Biodiversity, Climate Change, Conservation, Ecosystems, Environment, Marine & Coastal, Science, Digital Sequence Information (DSI), Living Modified Organism (LMO), Synthetic Biology, Protected Areas & Invasive Alien Species
|
Aziz Bin Arshad (Prof. Dr.)
Universiti Putra Malaysia (UPM)
|
Fishes (Taxonomy), Crustaceans (Taxonomy), Fishes (Ecology), Crustaceans (Ecology), Molluscs (Ecology),
Biodiversity, Conservation & Marine & Coastal
|
Liew Thor Seng (Dr.)
Universiti Malaysia Sabah (UMS)
|
Insects, Molluscs,
Biodiversity, Data Analysis, Conservation, Ecosystems, Evolution & Genetics
|
Siti Azizah Mohd Nor (Prof. Dr.)
Universiti Sains Malaysia (USM)
|
Crustaceans, Fishes, Molluscs,
Biodiversity, Conservation, Ecosystems, Marine & Coastal & Molecular
|
Syaizwan Zahmir Zulkifli (Dr.)
Universiti Putra Malaysia (UPM)
|
Birds (Ecology), Fishes (Ecology), Molluscs (Ecology),
Biodiversity, Conservation, Ecosystems, Marine & Coastal & Water
|
Acknowledgements :- Ms. Norazah Binti Norddin & Mr. Tan Kok Kiat
Photo credit :- Liew Thor Seng
Species Citation :- Amphidromus atricallosus. Malaysia Biodiversity Information System (MyBIS). Accessed via https://www.mybis.gov.my/sp/67769. [Retrieved 02 December 2023].
Feedback :- If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback.