Lelamnonius Sinus
Lelamnonius Sinus in Britain, mentioned by Ptolemy (2.3) as lying between the aestuary of the Clota (Clyde) and the Epidian Promontory (Mull of Cantyre); = Loch Fyne.
From William Smith (ed.), Dictionary of Greek and Roman Geography. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.