Arcellites |
Arcellites nudus
|
Worldwide |
Aptian |
Albian |
Arcellites |
Arcellites plicatus
|
Worldwide |
Barremian |
Aptian |
Arcellites |
Arcellites pyriformis
|
Worldwide |
Berriasian |
Santonian |
Arcellites |
Arcellites reticulatus
|
Worldwide |
Hettangian |
Thanetian |
Arcellites |
Arcellites rugosus
|
Worldwide |
Barremian |
Aptian |
Arcellites |
Arcellites santacrucensis
|
Worldwide |
Aptian |
Albian |
Arcellites |
Arcellites spongiosus
|
Worldwide |
Aptian |
|
Arcellites |
Arcellites trifoliatus
|
Worldwide |
Santonian |
Maastrichtian |
Arcellites |
Arcellites vestis
|
Worldwide |
Barremian |
|
Arcellites |
Arcellites yiminensis
|
Worldwide |
Barremian |
Aptian |
Ariadnaesporites |
Ariadnaesporites antiquatus
|
Worldwide |
Cenomanian |
|
Ariadnaesporites |
Ariadnaesporites ariadnae
|
Worldwide |
Cenomanian |
Coniacian |
Ariadnaesporites |
Ariadnaesporites caperatus
|
Worldwide |
Cenomanian |
|
Ariadnaesporites |
Ariadnaesporites capulifer
|
Worldwide |
Santonian |
|
Ariadnaesporites |
Ariadnaesporites carolinana
|
Worldwide |
Tortonian |
Messinian |
Ariadnaesporites |
Ariadnaesporites caudatus
|
Worldwide |
Cenomanian |
|
Ariadnaesporites |
Ariadnaesporites cristatus
|
Worldwide |
Cenomanian |
Maastrichtian |