Asconiscus simplex was created in 1899.
Hemistola simplex was created in 1899.
Azygophleps simplex was created in 1905.
Ovatis simplex was created in 2004.
Eulophota simplex was created in 1927.
Nemiana simplex was created in 1976.
Tropodiaptomus simplex was created in 1909.
Anatrachyntis simplex was created in 1891.
Paradiaptomus simplex was created in 1929.
Crane-Simplex was created in 1915.
Acartia simplex was created in 1905.
Avatha simplex was created in 1951.
Endotricha simplex was created in 1924.