Lake Church Formation
Atrypida
Spinatrypa sinuata
Spinatrypa spinosa milwaukeensis
Murchisoniina
Trochonema monroei
Productida
Productella spinulicosta
Spiriferida
Tylothyris subvaricosa umbonata
Spiriferinida
Orthospirifer milwaukeensis
Strophomenida
Strophodonta halli
Veneroida
Paracyclas obesa umbonata