Assimineidae H. & A. Adams, 1856
Omphalotropis albocarinata Mousson, 1873
Omphalotropis brenchleyi Sykes, 1900
Omphalotropis carolinensis
Omphalotropis cheynei (Dohrn & Semper, 1862)
Omphalotropis cookei Abbott, 1949
Omphalotropis costulata Emberton & Pearce, 1999
Omphalotropis elegans Quadras & Möllendorf, 1849
Omphalotropis elongatula Quadras & Möllendorff, 1894
Omphalotropis erosa Quadras & Möllendorff, 1894
Omphalotropis exquisita (Pfeiffer, 1855)
Omphalotropis fragilis
Omphalotropis gracilis Quadras & Möllendorf, 1894
Omphalotropis guamensis Pfeiffer, 1857
Omphalotropis hieroglyphica Potiez & Michaud, 1838
Omphalotropis howeinsulae Iredale, 1944
Omphalotropis laevigata Quadras & Möllendorf, 1894
Omphalotropis laticosta Quadras & Möllendorf, 1894
Omphalotropis latilabris Quadras & Möllendorf, 1894
Omphalotropis mutica Möllendorff, 1897
Omphalotropis ochthogyra Quadras & Möllendorf, 1894
Omphalotropis picta Quadras & Möllendorf, 1894
Omphalotropis pilosa Quadras & Möllendorf, 1894
Omphalotropis plicosa Pfeiffer, 1852
Omphalotropis quadrasi Möllendorf, 1894
Omphalotropis semicostulata Quadras & Möllendorf, 1894
Omphalotropis striatapila
Omphalotropis submaritima Quadras & Möllendorf, 1894
Omphalotropis suteri Sykes, 1900
Omphalotropis suturalis Quadras & Möllendorf, 1894
Omphalotropis tumidula
Omphalotropis vohimenae Emberton & Pearce, 1999
