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]
Division:Marchantiophyta
Class:Jungermanniopsida
Order:Metzgeriales
Genus:†Pallaviciniites
Schuster 1966 (Hueber, 1961)
Schuster 1966 (Hueber, 1961)
| Pallaviciniites Temporal range: | |
|---|---|
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 | |
| |
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]
