Berthelet Member
Actinocerida
Ormoceras bebryx
Atrypida
Spinatrypa spinosa milwaukeensis
Chonetida
Striatochonetes schucherti
Cryptostomata
Lichenalia concentrica
Cystoporata
Fistulipora monticulata
Cystoporida
Sulcoretepora hamiltonensis
Discinida
Lingulodiscina marginalis
Euomphalina
Platyceras hornefferi
Lingulida
Barroisella rectilatera
Orbiculoidea telleri
Modiomorphida
Modiomorpha diffidens
Modiomorpha elongata
Modiomorpha pediformis
Modiomorpha saccula
Modiomorpha schucherti
Nuculanoida
Palaeoneilo corrugata
Palaeoneilo dentata
Palaeoneilo devexa
Palaeoneilo milwaukeensis
Palaeoneilo pulchella
Oncocerida
Acleistoceras breviposticum
Acleistoceras calvini
Acleistoceras fusiforme
Acleistoceras whitfieldi
Orthida
Schizophoria lata
Orthotetida
Eoschuchertella arctostriata
Pentamerida
Pentamerella multicostata
Petalodontiformes
Gamphacanthus politus
Phacopida
Eldredgeops norwoodensis
Pholadomyoida
Edmondia fragilis
Pterioida
Mytilarca cingulosa
Mytilarca suberectus
Ptyctodontida
Eczematolepis telleri
Ptyctodontiformes
Ptyctodus calceolus
Ptyctodus ferox
Rhynchonellida
Cupularostrum depressa
Cupularostrum scitulus
Eumetabolotoechia greeni
Spiriferinida
Cyrtina triquetra
Eosyringothyris occidentalis
Orthospirifer iowensis
Orthospirifer milwaukeensis
Strophomenida
Protoleptostrophia serrata
Strophodonta halli