''Serrulacaulis'' was a genus of early land plant with branching axes.
Known fossils are of
Late Devonian
The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, wher ...
age ().
[
A cladogram published in 2004 by Crane et al. places ''Serrulacaulis'' in the core of a ]paraphyletic
In taxonomy (general), taxonomy, a group is paraphyletic if it consists of the group's most recent common ancestor, last common ancestor and most of its descendants, excluding a few Monophyly, monophyletic subgroups. The group is said to be pa ...
stem group of broadly defined " zosterophylls", basal to the lycopsids (living and extinct clubmosses and relatives).
References
External links
Cladogram
from
Zosterophylls
Prehistoric lycophyte genera
Devonian plants
Devonian extinctions
{{paleo-lycophyte-stub