8Fossil sites
Rochester Shale
Rochester Shale in Canada: 8 fossil sites. Typical age: 433–427 million years (Silurian).
8Fossil sites
7Finds
433–427 million yearsTypical age
SilurianMain period
Where its fossils were found
Silurian
By geological period
Silurian8
What was found
Trilobites · 7Dalmanites, Trimerus, Arctinurus, Bumastus
Towns with the most fossil sites nearby
Other formations of the same period
Silurian
Jupiter Formation 249Becscie Formation 198Cape Phillips Formation 183Gun River Formation 149Read Bay Formation 98Road River Formation 88Delorme Formation 75Allen Bay Formation 70Attawapiskat Formation 52Ross Brook Formation 43Chicotte Formation 39Cedar Lake Dolomite 31Ross Point Formation 30Douro Formation 25La Vieille Formation 25Severn River Formation 21Beechhill Cove Formation 20Merrimack Formation 18Power Glen Formation 15West Point Formation 15Kenny Formation 15Meniér Formation 15Weir Formation 14East Arm Dolomite 13