- an
extinct family in the
order Ginkgoales. It
contains the
single genus Karkenia. It is
distinguished by "Ovulate
organs consisting of a
peduncle and helically...
- the
Middle Jur****ic,
alongside other,
related forms such as
Yimaia and
Karkenia,
which have
differently arranged reproductive structures and
seeds ****ociated...
- are
known from Jur****ic rocks,
including Yimaia, Grenana,
Nagrenia and
Karkenia.
These lineages are ****ociated with Ginkgo-like leaves, but are distinguished...
-
Ginkgoales Ginkgoites tigrensis Ginkgoites ticoensis Allicospermum patagoni****
Karkenia incurva Cycadales Restrepophyllum chiguoides Eobowenia incr****ata Sueria...
- Nosova, N.; Kostina, E.; Afonin, M. (2023). "Ovule-bearing
structures of
Karkenia Archangelsky and ****ociated
leaves of
Sphenobaiera Florin from the Lower...
- Nosova, N.; Crane, P. R.; Shi, G. (2021). "Ovule-bearing
structures of
Karkenia Archangelsky, ****ociated dis****d
seeds and
Sphenobaiera leaves from the...
