434. Cyclinella tenuis (Récluz, 1852)
Bathymetric distribution: 0–65 m —SW.
Geographical distribution: USA (Virginia) to Brazil (RN to SC)—WGD.
References: Fischer–Piette & Testud (1967b), Rios (1994, 2009), Denadai et al. (2006), Rocha & Matthews–Cascon (2015).