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  1. Stratigraphic Occurrences/

Silica Formation

Atrypida

Pseudoatrypa devoniana

Cardiidia

Grammysia bisulcata
Grammysia sylvaniensis

Euomphalina

Platyceras bucculentum
Platyceras carinatum
Platyceras thetis

Monobathrida

Corocrinus nodosus

Orthida

Rhipidomella penelope
Rhipidomella vanuxemi
Tropidoleptus carinatus

Orthotetida

Eoschuchertella arctostriata

Phacopida

Eldredgeops rana

Productida

Spinulicosta spinulicosta

Rynchonellida

Eumetabolotoechia multicostatum

Spiriferida

Ambocoelia umbonata
Cyrtina hamiltonensis
Mediospirifer audaculus
Mucrospirifer profundus
Mucrospirifer prolificus
Paraspirifer bownockeri

Stauriida

Heliophyllum bathycalyx

Strophomenida

Arcuaminetes scitulus (Hall, 1857)
Devonochonetes coronatus
Longispina mucronata
Megastrophia concava
Pholidostrophia nacrea
Protoleptostrophia perplana
Strophodonta demissa