Taxon
Agathiceras ciscoense
Aristoceras caddoense
Cardiella ganti
Gonioloboceras welleri
Metaschistoceras (Qualifier: gy)
Neoaganides grahamensis+
Neodimorphoceras (Neodimorphoceras) plummerae
Neodimorphoceras (Neodimorphoceras) texanum+*
Postaktubites (Qualifier: gy)
Prehoffmannia (Qualifier: gn)
Prehoffmannia milleri
Schistoceras hyatti (Qualifier: sy)
Schistoceras missouriense+*
Schistoceras? montgomeryense
Shumardites cuyleri
Shumardites simondsi+
Syngastrioceras globulosum
Uddenites
Uddenites serratus
Vidrioceras conlini
Vidrioceras uddeni