| Species | Family |
|---|---|
| Maastrichtiocaris rostrata Fraaije, Schram et Vonk, 2003 | ALSASUACARIDAE |
| Alsasuacaris nostradamus Bakel, Jagt, Fraaije et Artal, 2011 | ALSASUACARIDAE |
| Juracyclus posidoniae Schweigert, 2007 | HALICYNIDAE |
| Halicyne plana Seebach, 1857 | HALICYNIDAE |
| Halicyne ornata Truempy, 1957 | HALICYNIDAE |
| Halicyne agnota (Meyer, 1838) | HALICYNIDAE |
| Halicyne laxa (Meyer, 1847) | HALICYNIDAE |
| Halicyne silesiensis Alexandrowicz, 1973 | HALICYNIDAE |
| Halicyne oosterinkorum Schweitzer, Feldmann, and Schinker, 2019 | HALICYNIDAE |
| Opolanka decorosa Dzik, 2008 | HALICYNIDAE |
| Carcinaspides pustulosus (Schaufhautl, 1863) | HALICYNIDAE |
| Skuinocyclus juliae Mychko et Alekseev, 2018 | HEMITROCHISCIDAE |
| Cyclocarcinides serratus (Stolley, 1915) | HEMITROCHISCIDAE |
| Cyclocarcinides stellifer Trauth, 1918 | HEMITROCHISCIDAE |
| Cyclocarcinides bosniacus Kittl in Trauth, 1918 | HEMITROCHISCIDAE |
| Cyclocarcinides tenuicarinatus Kittl in Trauth, 1918 | HEMITROCHISCIDAE |
| Cyclocarcinides reticulatus Trauth, 1918 | HEMITROCHISCIDAE |
| Hemitrochiscus paradoxus Schauroth, 1864 | HEMITROCHISCIDAE |
| Paraprosopon reussi Gemmellaro, 1890 | HEMITROCHISCIDAE |
| Oonocarcinus puchoviensis Kittl in Trauth, 1918 | HEMITROCHISCIDAE |
| Oonocarcinus insignis Gemmellaro, 1890 | HEMITROCHISCIDAE |
| Oonocarcinus geinitzi Gemmellaro, 1890 | HEMITROCHISCIDAE |
| Oonocarcinus anceps Gemmellaro, 1890 | HEMITROCHISCIDAE |
| Cyclus radialis (Phillips, 1836) | CYCLIDAE |
| Uralocyclus miloradovitchi Kramarenko, 1961 | CYCLIDAE |
| Uralocyclus woodwardi (Reed, 1893) | CYCLIDAE |
| Uralocyclus harknessi (Woodward, 1870) | CYCLIDAE |
| Americlus americanus (Packard, 1885) | AMERICLIDAE |
| Americlus obesus (Schram, Vonk et Hof, 1997) | AMERICLIDAE |
| Americlus packardi (Rogers, 1902) | AMERICLIDAE |
| Americlus limbatus (Rogers, 1902) | AMERICLIDAE |
| Americlus scotti (Woodward, 1894) | AMERICLIDAE |
| Americlus johnsoni (Woodward, 1894) | AMERICLIDAE |
| Americlus rankini Woodward, 1870 | AMERICLIDAE |
| Americlus testudo (Peach, 1883) | AMERICLIDAE |
| Apionicon apioides (Schram, Vonk et Hof, 1997) | HEMITROCHISCIDAE |
| Prolatcyclus martinensis (Goldring, 1967) | CYCLIDAE |
| Prolatcyclus kindzdza Mychko, Feldmann, Schweitzer & Alekseev, 2019 | CYCLIDAE |
| Ambocyclus capidulum (Chernyschev, 1933) | CYCLIDAE |
| Ambocyclus minutus (Rogers, 1902) | CYCLIDAE |
| Ambocyclus simulans (Reed, 1908) | CYCLIDAE |
| Carabicyclus wrighti (Woodward, 1870) | CYCLIDAE |
| Litocyclus permarginatus (Rogers, 1902) | CYCLIDAE |
| Litocyclus communis (Rogers, 1902) | CYCLIDAE |
| Litocyclus jonesianus Woodward, 1870 | CYCLIDAE |
| Litocyclus bilobatus (Woodward, 1870) | CYCLIDAE |
| Litocyclus torosus (Woodward, 1870) | CYCLIDAE |
| Chernyshevine spinosus (Chernyschev, 1933) | CYCLIDAE |
| Tazawacyclus tazawai (Niko & Ibaraki, 2011) | CYCLIDAE |
| Yunnanocyclus nodosus Feldmann, Schweitzer & Hu in Feldmann, Schweitzer, Hu, Huang, Zhang, Zhou, Wen, Xie & Maguire, 2017 | AMERICLIDAE |
| Schramine mamoroi (Pasini and Garasssino, 2007) | SCHRAMINIDAE |
| Schramine gondwanae (Brambilla et al., 2002) | SCHRAMINIDAE |
| Schramine max (Schram, Vonk et Hof, 1997) | SCHRAMINIDAE |
| Schramine montanaensis (Schram, Boere et Thomas, 2006) | SCHRAMINIDAE |
| Schramine magadascarensis (Brambilla et al., 2002) | SCHRAMINIDAE |