Gonyaulacysta |
Gonyaulacysta edwardsii
|
Australia |
Albian |
Turonian |
Gonyaulacysta |
Gonyaulacysta margaritifera
|
Australia |
Campanian |
|
Gonyaulacysta |
Gonyaulacysta tenuiceras
|
Australia |
Albian |
Cenomanian |
Gonyaulacysta |
Gonyaulacysta wetzelii
|
Australia |
Middle Albian |
Late Albian |
Halophoridia |
Halophoridia xena
|
Australia |
Albian |
Cenomanian |
Hemiplacophora |
Hemiplacophora semilunifera
|
Australia |
Late Eocene |
|
Hexagonifera |
Hexagonifera chlamydata
|
Australia |
Albian |
Turonian |
Hexagonifera |
Hexagonifera glabra
|
Australia |
Senonian |
|
Hexagonifera |
Hexagonifera suspecta
|
Australia |
Cenomanian |
|
Hexagonifera |
Hexagonifera vermiculata
|
Australia |
Senonian |
|
Homotryblium |
Homotryblium tasmaniense
|
Australia |
Late Paleocene |
|
Horologinella |
Horologinella apiculata
|
Australia |
Campanian |
|
Horologinella |
Horologinella extrema
|
Australia |
Cenomanian |
|
Horologinella |
Horologinella incurvata
|
Australia |
Late Paleocene |
Eocene |
Horologinella |
Horologinella obliqua
|
Australia |
Late Albian |
Cenomanian |
Horologinella |
Horologinella spinosa
|
Australia |
Late Eocene |
|
Hystrichodinium |
Hystrichodinium oligacanthum
|
Australia |
Albian |
|