| Ordovician Order
Asaphida
Family Trinucleidae Pulaski
Shale, New York
|
Ordovician
Order Phacopida
Family Calymenidae
Sugar River Formation, New York
|
Silurian
Order Lichida
Family Lichidae
Rochester Shale Formation, New York
|
Triarthrus
eatoni
Ordovician
Order Ptychopariida
Family Olenidae
Lorraine Shale Formation, New York
|
