- Paracalymenemene, Plesioparabolina, Pyrimetopus, Rhadinopleura, Seleneceme,
Sibiriopleura, Skljarella, Spirantyx, Trigocephalus, Yumenaspis, Zacompsus. Dionididae:...
- S****zuia
Shumardia Shumardoella (=Shumardella)
Shumardops Sibiriaspis Sibiriopleura Sichuanolenus Sigmakainella Sigmocheilus Signatops Silesiops Siligerites...