Gryphaea Collection

Extinct marine reptiles
Sheet 1 of a series of posters called Extinct Animals by Benjamin Waterhouse Hawkins c. 1862. This collection of marine reptiles lived during the Jurassic period between 200

Dotted agate, spotted agate, eyed agate, etc
Dotted agate 1, spotted agate 2, eyed agate 3, 4, 5, agate 6. Agata punteggiata, Agata macchiata, Agata occhiuta, Agata. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus

Gryphaea incurva, oyster
Fossil oyster also known as the Devils Toenail, specimen from the Lower Lias, Gloucestershire

Gryphaea arcuata Lamarck, fossil oysters
About 190 million years old, found in the Lias clays and limestones of the Jurassic period. Commonly called Devils Toenails

Gryphaea dilatata, devils toenail
This giant hooked oyster also known as a devils toenail originates from Sowerby, Upper Jurassic, Scarborough, Yorkshire, England

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