Delaware Formation
Atrypida
Pseudoatrypa devoniana
Spinatrypa spinosa
Orthida
Rhipidomella vanuxemi
Productida
Spinulicosta spinulicosta
Rhynchonellida
Cherryvalleyrostrum limitare
Spiriferida
Mediospirifer audaculus
Strophomenida
Longispina mucronata
Megastrophia concava
Pholidostrophia nacrea
Protodouvillina inequistriata
Protoleptostrophia perplana
Strophodonta demissa