Patrick Burn, due W[est]. of Priesthills Ho[use]. [near Priesthill Farm, Lesmahagow, Lanarkshire], [Scotland] Patrick Burn Formation, [Priesthill Group, Llandovery], [Telychian], Silurian [Lower] [Lesmahagow Inlier], A member of the Family Loganiidae. Part and counterpart - probably would benefit from further preparation. Formerly referred to as *Thelodus sp.* Traquair and *Logania scotica* (Traquair).