Genus Archaeoperisaccus

Species total:
55
Age range:
4100 - 115.67 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeoperisaccus mennerii Middle Frasnian Middle Frasnian
Archaeoperisaccus microancyra Frasnian Frasnian
Archaeoperisaccus minor Late Devonian Late Devonian
Archaeoperisaccus mirandus Givetian Late Frasnian
Archaeoperisaccus mirus Frasnian Early Carboniferous
Archaeoperisaccus oblongus Silurian Famennian
Archaeoperisaccus opiparus Early Givetian Famennian
Archaeoperisaccus optivus Middle Frasnian Middle Frasnian
Archaeoperisaccus ovalis Caradocian Famennian
Archaeoperisaccus oviformis Givetian Givetian
Archaeoperisaccus regalis Frasnian Frasnian
Archaeoperisaccus reticulatus Famennian Famennian
Archaeoperisaccus rugosus Givetian Early Frasnian
Archaeoperisaccus scabratus Emsian Tournaisian
Archaeoperisaccus signus Frasnian Frasnian
Archaeoperisaccus sp Silurian Early Cretaceous
Archaeoperisaccus sp. Meye.& Rask.,1984 Frasnian Frasnian