Harrison Lake Formation

Members recorded: Francis Lake, Celia Cove.

2 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.

When

• Permian1 fossils
• Late Triassic5 fossils
• Early Jurassic15 fossils
• Middle Jurassic5 fossils

What has been found

• Bivalvia5
• Belemnitida2
• Dumortieria insignisimilis2
• Actinopterygii1
• Dactylioceras1
• Dumortieria1
• Dumortieria levesquei1
• Erycitoides1
• Gryphaea1
• Harpoceras1
• Myophorella yellowstonensis1
• Neohindeodella1
• Oxytoma1
• Parafusulina1
• Pentacrinites1
• Phymatoceras1
• Pseudostylosphaera compacta1
• Triassocampe1
• Tripocyclia1

What else lived thenRank the rock of a period