Hemicosmorthoceras
Geisonocerina is an extinct genus of actively mobile carnivorous cephalopod, essentially a Nautiloid, that lived in what would be present day Europe during the Silurian to Devonian from 422.9—412.3 mya, existing for approximately 10.6 million years.
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Hemicosmorthoceras
Geisonocerina is an extinct genus of actively mobile carnivorous cephalopod, essentially a Nautiloid, that lived in what would be present day Europe during the Silurian to Devonian from 422.9—412.3 mya, existing for approximately 10.6 million years.
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Geisonocerina is an extinct ge ...... roximately 10.6 million years.
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24,077,346
Wikipage revision ID
675,020,535
fossil range
genus
Hemicosmorthoceras
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Geisonocerina is an extinct ge ...... roximately 10.6 million years.
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Hemicosmorthoceras
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Hemicosmorthoceras
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