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Helicoprion bessonowi, shark-like eugeneodontid holocephalid fish with tooth whorl from the Permian, and prehistoric prickly shark species Xenacanthus decheni of the Devonian and Triassic. Spiralhai, Helicoprion, und Stachelhai, Xenacanthus. Colour printed illustration by F. John from Wilhelm Bolsches Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908.

Helicoprion bessonowi, shark-like eugeneodontid holocephalid fish with tooth whorl from the Permian, and prehistoric prickly shark species Xenacanthus decheni of the Devonian and Triassic. Spiralhai, Helicoprion, und Stachelhai, Xenacanthus. Colour printed illustration by F. John from Wilhelm Bolsches Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908.
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Caption:
Helicoprion bessonowi, shark-like eugeneodontid holocephalid fish with tooth whorl from the Permian, and prehistoric prickly shark species Xenacanthus decheni of the Devonian and Triassic. Spiralhai, Helicoprion, und Stachelhai, Xenacanthus. Colour printed illustration by F. John from Wilhelm Bolsches Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908.
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Album / Florilegius
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Image size:
6986 x 4822 px | 96.4 MB
Print size:
59.1 x 40.8 cm | 23.3 x 16.1 in (300 dpi)