Modiola castanea Say, 1822, [Basis of the current name] Range: 28°N to 24°S; 91°W to 44°W Depth: 2 to 42 m (live 7 to 11 m) Maximum Reported Size: 15 mm Distribution: USA: Florida: East Florida, West Florida; Mexico: Quintana Roo References: Perry & Schwengel (1955) M; Sykes & Hall (1970) l; Reed & Mikkelsen (1987) D; Lyons (1989b) L Combining Genera: Botula