Geneseo Formation
Orthida
Rhipidomella vanuxemi
Orthotetida
Eoschuchertella arctostriata
Productida
Spinulicosta spinulicosta
Spiriferida
Ambocoelia umbonata
Cyrtina hamiltonensis
Megakozlowskiella sculptilis
Mucrospirifer mucronatus
Strophomenida
Arcuaminetes scitulus (Hall, 1857)
Longispina mucronata
Protoleptostrophia perplana