This paper describes a single specimen of Metalegoceras sp, recently discov
ered from the upper part of the Singa Formation at Batu Asah on the main La
ngkawi Island off the northwestern coast of Peninsular Malaysia. The discov
ery represents the first report of a Permian ammonoid from the island and f
rom the Singa Formation and confirms a Sakmarian (Early Permian) age for th
is part of the formation suggested by brachiopods.