Nucula tenuisulcata Couthouy, 1838, [Basis of the current name] Range: 68°N to 41°N; 70.8°W to 65°W Depth: 1 to 274 m (live 16 to 48 m) Distribution: Canada: New Brunswick; USA: Maine, Massachusetts References: Couthouy (1838) W; Procter (1933) Ll Combining Genera: Leda