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  1. Paleogeographic Distributions/

Pennsylvania

Athyridida

Athyris spiriferoides

Atrypida

Spinatrypa spinosa

Phacopida

Eldredgeops rana

Rhynchonellida

Cherryvalleyrostrum limitare
Cupularostrum congregata

Spiriferida

Allenella tullius
Ambocoelia umbonata
Cyrtina hamiltonensis
Mucrospirifer mucronatus

Strophomenida

Arcuaminetes scitulus (Hall, 1857)
Devonochonetes coronatus

Terebratulida

Cryptonella planirostra

Tropidoleptida

Tropidoleptus carinatus