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Silurian
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Silurian
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443
million years ago |
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note:
the locations of the continents and ecosystems are correct for the EARLY
Silurian, but the fossils shown are for the entire Silurian period.
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Halysites |
Favosites |
Eurypteris |
Virgoceras |
Conchidium |
Holocystites |
Cephalaspis
powrei |
Monograptus
lobiferus — not a fish! a hemichordate! |
Aceraspis |
Phelbolepis |
Birkenia |
Scyphocrinites |
