Name: Cordaites.
Meaning: Heart-like.
Grouping: Gymnosperm,
Cordaitale.
Informal ID: Cordaites,
Conifer ancestor.
Fossil size: Leaf length up to
1m/31.ft; width up to 15cm/61n
Reconstructed size Whole
tree height 1O-15m/33-50ft;
some forms up to 30m/100ft
Habitat: Swamps.
Time span: Early
Carboniferous to Permian,
340-260 million years ago.
Main fossil sites: Worldwide