Calamariinae

The Calamariinae are a subfamily of colubrid snakes, commonly known as reed snakes, that are found in southern and southeastern Asia. They are most diverse in Indonesia, especially Sumatra and Borneo. The subfamily contains 90 species in seven genera. Very few specimens of most species have been collected.

Etheridgeum is a genus of snake in the family Colubridae. The genus is monotypic, containing the sole species Etheridgeum pulchrum, which is commonly known as the Sumatra Etheridge snake, and is native to Indonesia.

Collorhabdium is a genus of snake in the family Colubridae. The genus contains the sole species Collorhabdium williamsoni. It is commonly known as the mountain dwarf snake and '''Williamson's reed snake'''. It is endemic to Malaysia.