North Vernon Formation
Atrypida
Nucleospira concinna
Pseudoatrypa devoniana
Spinatrypa spinosa
Orthida
Rhipidomella penelope
Rhipidomella vanuxemi
Tropidoleptus carinatus
Orthotetida
Eoschuchertella arctostriata
Productida
Spinulicosta spinulicosta
Rynchonellida
Eumetabolotoechia multicostatum
Spiriferida
Ambocoelia umbonata
Cyrtina hamiltonensis
Elita fimbriata
Strophomenida
Arcuaminetes scitulus (Hall, 1857)
Devonochonetes coronatus
Longispina mucronata
Megastrophia concava
Pholidostrophia nacrea
Protoleptostrophia perplana
Strophodonta demissa