Pallaviciniites
Species of liverwort / From Wikipedia, the free encyclopedia
The lowermost Upper Devonian fossil Pallaviciniites was for a time the oldest known liverwort until Metzgeriothallus was recovered from earlier Devonian strata.[2]
Quick Facts Scientific classification, Binomial name ...
Pallaviciniites | |
---|---|
Scientific classification ![]() | |
Kingdom: | Plantae |
Division: | Marchantiophyta |
Class: | Jungermanniopsida |
Order: | Metzgeriales |
Genus: | †Pallaviciniites Schuster 1966 (Hueber, 1961) |
Species: | †P. devonicus |
Binomial name | |
†Pallaviciniites devonicus Schuster 1966 (Hueber, 1961) | |
Synonyms | |
|
Close
It had a central axis, and bifurcated at its tips; similar fossils have been found in younger strata through to the Pleistocene.[3] With the exception of its elongated axial conducting (non-vascular) cells, the thallus was a single cell thick.[4] It had a serrated margin.[1]
Prior to its discovery, the oldest known liverworts dated to the Lower Carboniferous.[3]