- Late Cretaceous,
worldwide (leaf form genus) (possibly not a cycad) ?
Nilssoniocladus,
Early to Late Cretaceous,
United States &
Russia (stems,
likely ****ociated...
-
combined with an
extremely high
dicot diversity,
extinct cycadeoid Nilssoniocladus, Ginkgo, many
types of monocots, and
several types of
conifers is different...
-
combined with an
extremely high
dicot diversity,
extinct cycadeoid Nilssoniocladus, Ginkgo, many
types of monocots, and
several types of
conifers is different...
- †Neurankylus †Nilsonia †Nilsonia
yukonensis †
Nilssoniocladus †
Nilssoniocladus comtula †
Nilssoniocladus yukonensis †Nordenskioldia †Nordenskioldia borealis...
- †Neurankylus †Nilsonia †Nilsonia
yukonensis †
Nilssoniocladus †
Nilssoniocladus comtula †
Nilssoniocladus yukonensis †Nordenskioldia †Nordenskioldia borealis...
