Aesopus guyanensis Pelorce, 2017 (original description)
Anachis (Parvanachis) radwini van Regteren Altena, 1975 accepted as Parvanachis obesa (C. B. Adams, 1845) (source of synonymy)
Anachis lyrata (G. B. Sowerby I, 1832) (additional source)
Anachis profunda Pelorce, 2017 (original description)
Astyris lunata (Say, 1826) (additional source)
Bathyglypta Pelorce, 2017 (original description)
Bathyglypta biconica Pelorce, 2017 (original description)
Bathyglypta erosa Pelorce, 2017 (original description)
Bathyglypta procera (Simone & Gracia, 2006) (new combination reference)
Cosmioconcha Dall, 1913 (basis of record)
Cosmioconcha costattenuata Pelorce, 2017 (original description)
Cosmioconcha flammea Pelorce, 2017 (original description)
Cosmioconcha grenoni Pelorce, 2017 (original description)
Cosmioconcha nitens (C. B. Adams, 1850) (basis of record)
Cosmioconcha sirderae Pelorce, 2017 (original description)
Costoanachis Sacco, 1890 (basis of record)
Costoanachis sertulariarum (A. d'Orbigny, 1839) (basis of record)
Costoanachis sparsa (Reeve, 1859) (additional source)
Metulella Gabb, 1873 (basis of record)
Metulella columbellata (Dall, 1889) (additional source)
Mitrella kevini Pelorce, 2017 (original description)
Nassarina Dall, 1889 (basis of record)
Nassarina thetys P. M. S. Costa & Absalão, 1998 (additional source)
Parvanachis obesa (C. B. Adams, 1845) (additional source)
Suturoglypta Radwin, 1968 (basis of record)
Suturoglypta evanescens Pelorce, 2017 (original description)
Suturoglypta pretrii (Duclos, 1846) (additional source)

French Guiana Exclusive Economic Zone for Aesopus guyanensis Pelorce, 2017 
French Guiana Exclusive Economic Zone for Anachis lyrata (G. B. Sowerby I, 1832) 
French Guiana Exclusive Economic Zone for Anachis profunda Pelorce, 2017 
French Guiana Exclusive Economic Zone for Astyris lunata (Say, 1826) 
French Guiana Exclusive Economic Zone for Bathyglypta biconica Pelorce, 2017 
French Guiana Exclusive Economic Zone for Bathyglypta erosa Pelorce, 2017 
French Guiana Exclusive Economic Zone for Cosmioconcha costattenuata Pelorce, 2017 
French Guiana Exclusive Economic Zone for Cosmioconcha flammea Pelorce, 2017 
French Guiana Exclusive Economic Zone for Cosmioconcha grenoni Pelorce, 2017 
French Guiana Exclusive Economic Zone for Cosmioconcha nitens (C. B. Adams, 1850) 
French Guiana Exclusive Economic Zone for Cosmioconcha sirderae Pelorce, 2017 
French Guiana Exclusive Economic Zone for Costoanachis sertulariarum (A. d'Orbigny, 1839) 
French Guiana Exclusive Economic Zone for Costoanachis sparsa (Reeve, 1859) 
French Guiana Exclusive Economic Zone for Metulella columbellata (Dall, 1889) 
French Guiana Exclusive Economic Zone for Mitrella kevini Pelorce, 2017 
French Guiana Exclusive Economic Zone for Nassarina thetys P. M. S. Costa & Absalão, 1998 
French Guiana Exclusive Economic Zone for Parvanachis obesa (C. B. Adams, 1845) 
French Guiana Exclusive Economic Zone for Suturoglypta pretrii (Duclos, 1846)