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017866

Stenopterygius megacephalus von Huene Posidonienschiefer, Lower Jurasic, Holzmaden, near Stuttgart, Germany. This specimen is one of the first described ichthyosaurs in which the outline of the soft tissues of the tail, dorsal fin and paddles are indicated. No actual skin material survives, only a cyanobacterial film which formed as a mat over the decaying carcass, so that what is seen represents a combination of reality and the skill of the preparator.

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017866.JPG
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Irish Photo Archive
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7000x2576 / 1.4MB
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Stenopterygius megacephalus von Huene Posidonienschiefer, Lower Jurasic, Holzmaden, near Stuttgart, Germany.  This specimen is one of the first described ichthyosaurs in which the outline of the soft tissues of the tail, dorsal fin and paddles are indicated.  No actual skin material survives, only a cyanobacterial film which formed as a mat over the decaying carcass, so that what is seen represents a combination of reality and the skill of the preparator.