 |
 |
 |
|
|
|
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invertebrate
|
Early Cambrian |
|
Nevadia
weeksi
|
|
Nevadia
weeksi
|
|
trilobite |
|
found in
Nevada USA
5 x 6 cm |
 |
|
trilobite |
|
found in Nevada USA
10 x 10 cm |
 |
trilobite |
found in Nevada USA 5.5 x 6.5 cm |
