Hystrichosphaera |
Hystrichosphaera ramosa
|
England |
Ypresian |
|
Hystrichosphaera |
Hystrichosphaera buccina
|
England |
Ypresian |
|
Achomosphaera |
Achomosphaera alcicornu
|
England |
Ypresian |
|
Achomosphaera |
Achomosphaera ramulifera
|
England |
Ypresian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
England |
Ypresian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
England |
Ypresian |
|
Cordosphaeridium |
Cordosphaeridium inodes
|
England |
Ypresian |
|
Cordosphaeridium |
Cordosphaeridium gracile
|
England |
Ypresian |
|
Cordosphaeridium |
Cordosphaeridium fibrospinosum
|
England |
Ypresian |
|
Cordosphaeridium |
Cordosphaeridium exilimurum
|
England |
Ypresian |
|
Hystrichosphaera |
Hystrichosphaera ramosa
|
England |
Ypresian |
|
Areoligera |
Areoligera coronata
|
England |
Thanetian |
|
Areoligera |
Areoligera sp
|
England |
Thanetian |
|
Areoligera |
Areoligera senonensis
|
England |
Thanetian |
|
Cyclonephelium |
Cyclonephelium divaricatum
|
England |
Thanetian |
|
Cyclonephelium |
Cyclonephelium exuberans
|
England |
Thanetian |
|
Cyclonephelium |
Cyclonephelium ordinatum
|
England |
Thanetian |
|