278. Mactra petitii d´Orbigny, 1846 ★

Bathymetric distribution: 0–55 m —SW.

Geographical distribution: Jamaica to Southern Brazil —C/B.

Remarks: Signorelli (2019) refers to this species as Spisula (Spisula) petitii . He records it from Jamaica to Southern Brazil, although it is formerly recorded from Uruguay (e.g., Signorelli & Pastorino 2012b; rejected by Scarabino et al. 2016) and Argentina (e.g., Zelaya 2016).

References: Orbigny (1846), Cauqüoin (1967a), Rios (1994, 2009), Signorelli & Pastorino (2012b), Signorelli (2019).