Brachiopoda
Lingulata
Barroisella complanata
Barroisella milwaukeensis
Barroisella rectilatera
Lingula delia
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 multiplicatus
Mucrospirifer profundus
Mucrospirifer prolificus
Mucrospirifer thedfordensis
Orthospirifer iowensis
Orthospirifer milwaukeensis
Paraspirifer acuminatus
Paraspirifer bownockeri
Pentamerella multicostata
Rhipidomella leucosia
Rhipidomella penelope
Rhipidomella vanuxemi
Schizophoria iowensis musculosa
Schizophoria lata
Spinatrypa sinuata
Spinatrypa spinosa milwaukeensis
Spinocyrtia milwaukeensis
Tylothyris bimesialis
Tylothyris subvaricosa umbonata
Rynchonellata
Cupularostrum congregata
Cyrtina hamiltonensis
Elita fimbriata
Emanuella praeumbona
Eumetabolotoechia multicostatum
Leptospira gibbosa
Mediospirifer audaculus
Megakozlowskiella sculptilis
Meristella barrisi
Meristella haskinsi
Mucrospirifer mucronatus
Nucleospira concinna
Parazyga hirsuta
Pentamerella pavilionensis
Pseudoatrypa devoniana
Pustulatia pustulosa
Sapphicorhynchus sappho
Spinatrypa spinosa
Tropidoleptus carinatus
Strophomenata
Arcuaminetes scitulus (Hall, 1857)
Devonochonetes coronatus
Eoschuchertella arctostriata
Longispina mucronata
Megastrophia concava
Mesoleptostrophia junia
Pholidostrophia nacrea
Productella spinulicosta
Protodouvillina inequistriata
Protoleptostrophia perplana
Protoleptostrophia serrata
Sinochonetes lepidus
Spinulicosta spinulicosta
Striatochonetes schucherti
Striatochonetes setigerus
Strophodonta demissa
Strophodonta halli
Truncalosia truncata