Genus Perisaccus

Species total:
63
Age range:
1600 - 82 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Perisaccus sacculiferus Early Visean Early Visean
Perisaccus semilucensis Early Frasnian Early Frasnian
Perisaccus simplicissimus Devonian Late Visean
Perisaccus sp Llandoverian Middle Jurassic
Perisaccus sp.1 Missourian Missourian
Perisaccus sp.2 Missourian Missourian
Perisaccus staplini Late Visean Westphalian D
Perisaccus tecturatus Permian Permian
Perisaccus togatus Permian Permian
Perisaccus verrucosus Frasnian Frasnian
Perisaccus verruculatus Devonian Devonian
Perisaccus zonalis Early Frasnian Early Frasnian