Omphalotropis quadrasi was created in 1894.
Himeroconcha quadrasi was created in 1894.
Elasmias quadrasi was created in 1894.
Heteropoma quadrasi was created in 1894.
Omphalotropis latilabris was created in 1894.
Omphalotropis laticosta was created in 1894.
Omphalotropis elongatula was created in 1894.
Omphalotropis howeinsulae was created in 1944.
Omphalotropis cheynei was created in 1862.
Omphalotropis suturalis was created in 1894.
Omphalotropis semicostulata was created in 1894.
Omphalotropis hieroglyphica was created in 1838.
Omphalotropis albocarinata was created in 1873.