Anastrophia magnifica Kozlowski, 1929 † (original description)
Eoplectodonta Kozlowski, 1929 † (original description)
Isorthis Kozlowski, 1929 † (original description)
Isorthis szajnochai Kozlowski, 1929 † (original description)
Nucleospira robusta Kozlowski, 1929 † (original description)
Philhedrella Kozlowski, 1929 † (original description)
Philhedrella mimetica Kozlowski, 1929 † (original description)
Plectambonitidae Kozlowski, 1929 † (original description)
Plectodonta Kozlowski, 1929 † (original description)
Protathyris Kozlowski, 1929 † (original description)
Septatrypidae Kozlowski, 1929 † (original description)
Septatrypinae Kozlowski, 1929 † (original description)
Skenidiidae Kozlowski, 1929 † (original description)
Skenidioidea Kozlowski, 1929 † (original description)