Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
England |
Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
W.Germany |
Late Oxfordian |
Kimmeridgian |
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium toryna
|
Australia(W.Australia) |
Tithonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium toryna
|
Nd |
Nd |
|
Kalyptea |
Kalyptea diceras
|
Australia(W.Australia) |
Late Jurassic |
|
Kalyptea |
Kalyptea jurassica
|
England |
Callovian |
|
Kalyptea |
Kalyptea monoceras
|
Australia(W.Australia) |
Late Jurassic |
|
Komewuia |
Komewuia glabra
|
Australia(W.Australia) |
Late Jurassic |
|
Leiofusa |
Leiofusa jurassica
|
Australia(W.Australia) |
Kimmeridgian |
|
Leiosphaeridia |
Leiosphaeridia chytroeides
|
England |
Oxfordian |
|
Leiosphaeridia |
Leiosphaeridia hyalina
|
England |
Kimmeridgian |
|
Leiosphaeridia |
Leiosphaeridia similis
|
England |
Oxfordian |
|
Leiosphaeridia |
Leiosphaeridia similis
|
Australia(W.Australia) |
Tithonian |
|
Leiosphaeridia |
Leiosphaeridia similis
|
New Guinea(Papua) |
Late Jurassic |
|
Leptodinium |
Leptodinium arcuatum
|
W.Germany |
Late Oxfordian |
|
Leptodinium |
Leptodinium mirabile
|
W.Germany |
Late Oxfordian |
Kimmeridgian |