Rank Genus | ||
Similar Metzgeriidae, Metzgeriales, Haplomitriopsida, Blasiales, Mylia anomala | ||
Metzgeriothallus sharona 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.
References
Metzgeriothallus Wikipedia(Text) CC BY-SA