Baltisphaeridium |
Baltisphaeridium nakajoense
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Baltisphaeridium |
Baltisphaeridium sphaeroides
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Cymatiosphaera |
Cymatiosphaera pulchella
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Lancettopsis |
Lancettopsis sp
|
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Leiosphaeridia |
Leiosphaeridia fastigatirugosa
|
Japan(Honshu I.) |
Early Miocene |
Early Pliocene |
Leiosphaeridia |
Leiosphaeridia grandiformis
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Leiosphaeridia |
Leiosphaeridia minuscula
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Micrhystridium |
Micrhystridium ariakense
|
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Palambages |
Palambages sp
|
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |
Pterospermella |
Pterospermella pterina
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Late Miocene |
Tytthodiscus |
Tytthodiscus densiporosus
sp. nov. |
Japan(Honshu I.) |
Late Tertiary |
|
Tytthodiscus |
Tytthodiscus densiporosus
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Early Pliocene |
Tytthodiscus |
Tytthodiscus densiporosus
sp. nov. |
Japan(Honshu I.) |
Early Miocene |
Middle Miocene |