Genus Hystrichosphere

Species total:
8
Age range:
1600 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphere Cambrian Recent
Hystrichosphere sp Late Proterozoic Eocene
Hystrichosphere sp. Thie.,1942 Early Miocene Early Miocene
Hystrichosphere sp.1 Conemaugh Monongahela
Hystrichosphere sp.2 Conemaugh Middle Oligocene
Hystrichosphere sp.3 Conemaugh Monongahela
Hystrichosphere sp.4 Early Eocene Early Eocene
Hystrichosphere type 48 Eocene Eocene