Potter Farm Formation
Glyptocystitida
Lipsanocystis oblatus
Proetida
Dechenella pulchra
Spiriferida
Mucrospirifer grabaui
Mucrospirifer latus
Mucrospirifer profundus
Mucrospirifer thedfordensis
Stauriida
Heliophyllum halli
Heliophyllum tenuiseptatum
Tabulophyllum traversense