Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium sp.5 Cambrian Cambrian
Archaeohystrichosphaeridium sp.4 Cambrian Cambrian
Archaeohystrichosphaeridium sp.3 Cambrian Cambrian
Archaeohystrichosphaeridium sp.2 Cambrian Cambrian
Archaeohystrichosphaeridium sp.1 Cambrian Cambrian
Archaeohystrichosphaeridium sp. Visw.et al,1979 Late Precambrian Cambrian
Archaeohystrichosphaeridium sp. Salu.et al,1971 Late Cambrian Late Cambrian
Archaeohystrichosphaeridium sp. Salu.,1971 Precambriam Precambriam
Archaeohystrichosphaeridium sp Precambriam Wenlockian
Archaeohystrichosphaeridium solitare Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium singulare Late Cambrian Late Cambrian
Archaeohystrichosphaeridium simplex Middle Cambrian Tremadocian
Archaeohystrichosphaeridium setigerfurcatum Early Ordovician Early Llandeilian
Archaeohystrichosphaeridium septigerum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium septangulum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium semireticulatum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium semiclausum Paleozoic Llandeilian