''Culullitheca'' was a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
land plant
The Embryophyta (), or land plants, are the most familiar group of green plants that comprise vegetation on Earth. Embryophytes () have a common ancestor with green algae, having emerged within the Phragmoplastophyta clade of green algae as sist ...
with branching axes.
It is known from
charcoalified Early Devonian deposits, its type locality being the Brown Clee Hill
lagerstätten.
Its spores formed permanent dyads.
References
Silurian plants
Devonian plants
Prehistoric plant genera
{{devonian-plant-stub