Bidspirit auction | Lot of 2 ”Fern” Fossils

Lot of 2 ”Fern” Fossils — Plant Branch Impressions - Lot of 2 ”fern” fossils — plant branch impressions. Of many years' age, reddish-brown stone.  Width: 5.5–17 cm. 500 g. * ”Impression fossil” — a precise imprint of a branch or leaf formed when a plant was buried in the earth and minerals in the rock preserved its mark. Ferns have existed on Earth for more than 360 million years, and their fossils (such as the species Piazopteris branneri from the Jurassic period) help scientists understand past climates.