280. Mactrotoma fragilis (Gmelin, 1791)
Bathymetric distribution: 0–100 m —SW.
Geographical distribution: USA (North Carolina) to Brazil (SC)—WGD.
Remarks: Signorelli (2019) refers to this species as Standella (Standella) fragilis .
References: Cauqüoin (1967a), Rios (1994, 2009), Signorelli & Pastorino (2012a), Signorelli (2019).