Genus Hystrichosphaerina

Species total:
17
Age range:
178 - 11.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaerina varispinosa Late Jurassic Late Jurassic
Hystrichosphaerina varians Campanian Maastrichtian
Hystrichosphaerina turonica Kimmeridgian Coniacian
Hystrichosphaerina sp.A Tithonian Hauterivian
Hystrichosphaerina sp.1 Early Valanginian Early Valanginian
Hystrichosphaerina sp. Ibra.& Schr.,1996 Kimmeridgian Early Aptian
Hystrichosphaerina sp Oxfordian Barremian
Hystrichosphaerina schindewolfii Dogger Middle Miocene
Hystrichosphaerina sarjeantii Early Kimmeridgian Middle Tithonian
Hystrichosphaerina paracalatha Middle Callovian Middle Callovian
Hystrichosphaerina orbifera Toarcian Berriasian
Hystrichosphaerina neuquina Late Jurassic Aptian
Hystrichosphaerina exilimura Late Thanetian Late Thanetian
Hystrichosphaerina crusta Kimmeridgian Middle Tithonian
Hystrichosphaerina calatha Early Oxfordian Early Oxfordian
Hystrichosphaerina anthophora Oxfordian Albian
Hystrichosphaerina Bathonian Early Miocene