Retiolites geinitzianus (Barrande) , Graptolite, Diplograptus, graptolite from Silurian, Wenlockian 433.4 - 427.4 million years ago.

Silurian, Wenlockian Graptolite, Retiolites geinitzianus (Barrande)

Diplograptus graptolite

Retiolites geinitzianus

gr55

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