Brachiopoda
Lingulata
Barroisella complanata
Barroisella milwaukeensis
Barroisella rectilatera
Lingulodiscina marginalis
Orbiculoidea telleri
Rhynchonellata
Allenella tullius
Ambocoelia umbonata
Athyris cora
Athyris spiriferoides
Athyris vittata randalia
Atrypa reticularis
Centronella impressa
Cherryvalleyrostrum limitare
Cranaena thomasi
Cryptonella planirostra
Cryptonella rectirostra
Cupularostrum depressa
Cupularostrum scitulus
Cyrtina triquetra
Cyrtina umbonata
Eosyringothyris occidentalis
Eumetabolotoechia greeni
Mucrospirifer alpenensis
Mucrospirifer arkonensis
Mucrospirifer attenuatus
Mucrospirifer consobrinus
Mucrospirifer cooperi
Mucrospirifer grabaui
Mucrospirifer latus
Mucrospirifer mucronatus
Mucrospirifer multiplicatus
Mucrospirifer profundus
Mucrospirifer prolificus
Mucrospirifer thedfordensis
Orthospirifer iowensis
Orthospirifer milwaukeensis
Paraspirifer acuminatus
Paraspirifer bownockeri
Pentamerella multicostata
Pseudoatrypa devoniana
Schizophoria iowensis musculosa
Schizophoria lata
Spinatrypa sinuata
Spinatrypa spinosa
Spinatrypa spinosa milwaukeensis
Spinocyrtia milwaukeensis
Tropidoleptus carinatus
Tylothyris bimesialis
Rynchonellata
Cupularostrum congregata
Cyrtina hamiltonensis
Elita fimbriata
Emanuella praeumbona
Eumetabolotoechia multicostatum
Mediospirifer audaculus
Strophomenata
Arcuaminetes scitulus (Hall, 1857)
Devonochonetes coronatus
Eoschuchertella arctostriata
Productella spinulicosta
Protoleptostrophia serrata
Striatochonetes schucherti
Strophodonta halli