351. Ervilia concentrica (Holmes, 1860)
Bathymetric distribution: 0–100 m —SW.
Geographical distribution: USA (North Carolina) to Brazil (RN, SC)—WGD.
Remarks: This species is considered a synonym of E. nitens (Montagu, 1808) by MolluscaBase (2023); here they are treated as separated, pending on future studies.
References: Rios (1985, 1994), Agudo–Padrón et al. (2009).