- The
Aptian is an age in the
geologic timescale or a
stage in the
stratigraphic column. It is a
subdivision of the
Early or
Lower Cretaceous Epoch or Series...
-
Aptian extinction was an
extinction event of the
early Cretaceous Period. It is
dated to c. 116 or 117
million years ago, in the
middle of the
Aptian...
- Brazil,
Aptian †Gryllospeculum
Gorochov 1985 Dzun-Bain Formation, Mongolia,
Aptian †Mongolospeculum
Gorochov 1985 Dzun-Bain Formation, Mongolia,
Aptian †Nanaripegryllus...
- étages (stages): the Neocomian,
Aptian, Albian, Turonian, and Senonian,
later adding the
Urgonian between Neocomian and
Aptian and the
Cenomanian between the...
-
Cretaceous (
Aptian)
Chaoyangia Duan, 1998
Yixian Formation, China,
Early Cretaceous (
Aptian)
Eragrosites Yixian Formation, China,
Early Cretaceous (
Aptian) Gurvanella...
-
Cretaceous (
Aptian)
Leongathia V.A. Kr****ilov, D.L.
Dilcher & J.G.
Douglas 1998
Koonwarra fossil bed, Australia,
Early Cretaceous (
Aptian) Jianchangia...
- Jur****ic (Bathonian) Ilek Formation, Russia,
Early Cretaceous (Barremian-
Aptian) (Presumed to be a cryptobranchoid) †Laccotriton
Fengshan fossil bed, China...
- M.F. Barreto; A.
Richard Palmer (2018). "New
brachyuran crabs from the
Aptian–Albian
Romualdo Formation,
Santana Group of Brazil:
Evidence for a Tethyan...
- cheni****: Late
Barremian –
early Aptian Boreopterus cuiae: late
Barremian –
early Aptian Brasileodactylus araripensis:
Aptian-Albian
Cacibupteryx caribensis:...
- period.
Molecular clock estimates indicate that the
rosids originated in the
Aptian or
Albian stages of the Cretaceous,
between 125 and 99.6
million years ago...
