Metzgeriothallus sharonae is the oldest known liverwort fossil, dating to the Middle Devonian.[1] It is a simple, thalloid organism. M. metzgerioides is known from more fragmentary material dating to the Carboniferous of Scotland.[1]
Metzgeriothallus sharonae is the oldest known liverwort fossil, dating to the Middle Devonian. It is a simple, thalloid organism. M. metzgerioides is known from more fragmentary material dating to the Carboniferous of Scotland.