- 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...
- étages (stages): the Neocomian,
Aptian, Albian, Turonian, and Senonian,
later adding the
Urgonian between Neocomian and
Aptian and the
Cenomanian between the...
- Formation, Brazil,
Aptian ?Weald Clay,
United Kingdom,
Hauterivian †Brontogryllus Martins-Neto 1991
Crato Formation, Brazil,
Aptian †Gryllospeculum Gorochov...
-
Cretaceous (
Aptian)
Leongathia V.A. Kr****ilov, D.L.
Dilcher & J.G.
Douglas 1998
Koonwarra fossil bed, Australia,
Early Cretaceous (
Aptian) Jianchangia...
-
Cretaceous (
Aptian)
Chaoyangia Duan, 1998
Yixian Formation, China,
Early Cretaceous (
Aptian)
Eragrosites Yixian Formation, China,
Early Cretaceous (
Aptian) Gurvanella...
- Barremian–
Aptian boundary ranged from 126 to 117 Ma
until recently (as of 2019), but
based on
drillholes in
Svalbard the
defining early Aptian Oceanic Anoxic...
- (Barremian-
Aptian) †Allaboilus Ren & Meng, 2006
Daohugou Beds, China,
Middle Jur****ic,
Yixian Formation, China,
Early Cretaceous (Barremian-
Aptian) †Angustaboilus...
-
Dalazi Formation,
Guyang Formation, China,
Aptian †Furcicupes Tan and Ren, 2006 –
Yixian Formation, China,
Aptian †Gracilicupes Tan et al., 2006 – Daohugou...
- cheni****: Late
Barremian –
early Aptian Boreopterus cuiae: late
Barremian –
early Aptian Brasileodactylus araripensis:
Aptian-Albian
Cacibupteryx caribensis:...
