- †Sporangites †Sporangites
huronensis †Springericrinus †Springericrinus
magniventrus †Stauropteris †Stauropteris
biseriata †Stegacanthia †Stegocoelia †Stegocoelia...
- †Springericrinus †Springericrinus
doris –
tentative report †Springericrinus
magniventrus –
tentative report †Spyroceras †Spyroceras
nuntium †Stacheia †Stacheia...
