Granodiscus |
Granodiscus granulatus
|
China(Hopei) |
Late Eocene |
Oligocene |
Granodiscus |
Granodiscus pylomicus
sp. nov. |
China(Hopei) |
Oligocene |
|
Granodiscus |
Granodiscus staplini
|
China(Hopei) |
Oligocene |
|
Granodiscus |
Granodiscus staplini
|
Canada(W.Canada) |
Early Jurassic |
Bajocian |
Granoreticella |
Granoreticella
|
China(Hopei) |
Late Oligocene |
|
Granoreticella |
Granoreticella aspera
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Granoreticella |
Granoreticella conspicuis
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Granoreticella |
Granoreticella sp
|
China(Hopei) |
Nd |
|
Granoreticella |
Granoreticella tenuis
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Granoreticella |
Granoreticella variabilis
sp. nov. |
China(Hopei) |
Oligocene |
|
Heliospermopsis |
Heliospermopsis dongyingensis
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Heliospermopsis |
Heliospermopsis sp
|
China(Hopei) |
Nd |
|
Horologinella |
Horologinella biconvexa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Horologinella |
Horologinella sp
|
China(Hopei) |
Nd |
|
Hungarodiscus |
Hungarodiscus
|
Hungary |
Lattorfian |
|
Hungarodiscus |
Hungarodiscus fissilis
sp. nov. |
China(Hopei) |
Oligocene |
|
Hungarodiscus |
Hungarodiscus foveolatus
sp. nov. |
China(Hopei) |
Oligocene |
|