Ledyard Member
Athyridida
Athyris spiriferoides
Atrypida
Pseudoatrypa devoniana
Phacopida
Eldredgeops rana
Rynchonellida
Eumetabolotoechia multicostatum
Spiriferida
Ambocoelia umbonata
Crurispina nana
Cyrtina hamiltonensis
Mucrospirifer mucronatus
Strophomenida
Arcuaminetes scitulus (Hall, 1857)