Genus Emmetrocysta

Species total:
7
Age range:
164.67 - 5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Emmetrocysta Kimmeridgian Kimmeridgian
Emmetrocysta denticulata Early Tertiary Early Tertiary
Emmetrocysta fibrospinosa Late Thanetian Late Thanetian
Emmetrocysta sarjeantii Late Bathonian Berriasian
Emmetrocysta sp Callovian Late Miocene
Emmetrocysta sp. Edwa.et al,1984 Late Paleocene Early Eocene
Emmetrocysta urnaformis Berriasian Late Miocene