Metzgeriothallus

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]

Division:Marchantiophyta

Class:Jungermanniopsida

Order:Metzgeriales

Genus:†Metzgeriothallus
Walton, 1928

Quick facts Scientific classification, Species ...

Metzgeriothallus Temporal range: Givetian–Lower Mississippian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Division:	Marchantiophyta
Class:	Jungermanniopsida
Order:	Metzgeriales
Genus:	†Metzgeriothallus Walton, 1928
Species
M. metzgerioides Walton, 1928 (type) M. sharonae VanAller Hernick et al., 2008

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