Silurian
Superfamily Lichoidea
Family Lichidae
Rochester Shale Formation, Middleport, New York |
Lower
Devonian
Family Lichidae
Haragan Formation, Oklahoma |
Devonian
Superfamily Lichoidea
Family Lichidae
Jorf, Morocco |
Silurian
Family Odontopleuridae
New South Wales, Australia |
Ordovician
Family Odontopleuridae
Tazzarine, Morocco
|
Middle
Devonian
Family Odontopleuridae
Djebel Issoumour, Alnif, Morocco
|
Lower Devonian
Family Odontopleuridae
Haragan Formation, Oklahoma |
Ordovician
Family Odontopleuridae
Verulam Formation, Ontario, Canada
|